REXENE CORP
DEFC14A, 1997-01-22
PLASTIC MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS
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               Section 240.14a-101  Schedule 14A.
          Information required in proxy  statement.
                 Schedule 14A Information
   Proxy Statement Pursuant to Section 14(a) of the Securities
                      Exchange Act of 1934
   
                       (Amendment No. 3)
Filed by the Registrant [ ]
Filed by a party other than the Registrant [X]
Check the appropriate box:
[ ]  Preliminary Proxy Statement
[ ]  Confidential, for Use of the Commission Only (as permitted
     by Rule 14a-6(e)(2))
[X]  Definitive Proxy Statement
[ ]  Definitive Additional Materials
[ ]  Soliciting Material Pursuant to Section 240.14a-11(c) or Section
     240.14a-12
    

                  REXENE CORPORATION
 .................................................................
     (Name of Registrant as Specified In Its Charter)


                       GUY P. WYSER-PRATTE
                             AND
                       SPEAR, LEEDS & KELLOGG
 .................................................................
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of Filing Fee (Check the appropriate box):
[X]  No fee required
[ ]  Fee computed on table below per Exchange Act Rules 14a-6(i)(1)
           and 0-11

     (1) Title of each class of securities to which transaction
           applies:


     ............................................................

     (2)  Aggregate number of securities to which transaction
           applies:


     .......................................................

     (3) Per unit price or other underlying value of transaction
computed pursuant to Exchange Act Rule 0-11 (set forth the amount
on which the filing fee is calculated and state how it was
determined):


     .......................................................

     (4) Proposed maximum aggregate value of transaction:


     .......................................................

     (5)  Total fee paid:


     .......................................................

[ ]  Fee paid previously with preliminary materials.
[ ]  Check box if any part of the fee is offset as provided by
     Exchange Act Rule 0-11(a)(2) and identify the filing for
     which the offsetting fee was paid previously.  Identify the
     previous filing by registration statement number, or the
     Form or Schedule and the date of its filing.

          (1) Amount Previously Paid:

           
          .......................................................

          (2) Form, Schedule or Registration Statement No.:


          .......................................................

          (3) Filing Party:


          .......................................................

          (4) Date Filed:

            
          .......................................................

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                                 FIGHT LETTER
[LETTERHEAD OF WYSER-PRATTE & CO., INC.] [LETTERHEAD OF SPEAR, LEEDS & KELLOGG]


 
                                                                January 22, 1997
 
 REXENE SHAREHOLDERS HAVE WON A MAJOR VICTORY, BUT THE BOARD IS STILL CREATING
                    ROADBLOCKS TO YOUR RECEIVING $16 OR MORE
 
DEAR REXENE SHAREHOLDER:
 
     THE TIME TO ACT IS NOW. WE ARE WRITING TO ASK THAT YOU JOIN US IN CALLING A
SPECIAL  MEETING OF  SHAREHOLDERS BY EXECUTING  AND RETURNING  THE ENCLOSED GOLD
AGENT DESIGNATION CARD BY OUR TARGET DATE OF FEBRUARY 14.
 
     Because of  shareholder pressure  on Rexene's  board, the  debate over  the
future  of Rexene  has reached a  new stage during  the past month.  There is no
longer an issue about whether  and at what price Rexene  should be sold. In  its
Solicitation  Materials,  the  Board  now  says  that  it  will  'not  oppose  a
fully-financed cash offer  to acquire  all of  the outstanding  Common Stock  on
customary terms at $16 per share . . .'
 
             BUT SHAREHOLDERS SHOULD NOT BE LULLED INTO COMPLACENCY
 
         We  believe that  management and the  Board still want  to maintain the
         status quo,  and they  will block  a sale  of the  Company to  Huntsman
         Corporation  or another buyer unless  stockholders keep up the pressure
         and replace the Board, if necessary.
 
         THE BOARD REVEALS  ITS TRUE BELIEFS  WHEN IT SAYS  IN ITS  SOLICITATION
         MATERIALS THAT NOW IS NOT A 'PROPITIOUS TIME' TO SELL THE COMPANY.
 
         Yet  the  Board recognizes  that it  can  not convince  shareholders to
         oppose a sale of  the Company for  $16 a share or  more to Huntsman  or
         another buyer.
 
         Therefore, the Board has created a ROADBLOCK to the sale of the Company
         by  arbitrarily insisting  that any  offer must  close within  60 days,
         although the  directors must  be aware  that an  acquisition cannot  be
         completed on that timetable and much longer time periods are the norm.
 
                SEND A MESSAGE TO THE REXENE BOARD THAT YOU WANT
           MAXIMUM VALUE FOR YOUR SHARES -- VOTE YOUR GOLD CARD TODAY
 
     While  there  can be  no  assurance regarding  the  future interest  of the
Huntsman Corporation or other potential acquirors, public information  indicates
that  Huntsman remains interested in buying Rexene  at $16 per share, but it has
been frustrated by the Company.
 
         The Board made  a major  issue of  whether Huntsman  could finance  its
         offer  for  Rexene  although  Huntsman  does  not  seem  to  be  having
         difficulty financing a bigger deal, announced last December, to acquire
         the chemicals business of Texaco Inc. for about $600 million.



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         The Board and management themselves may be the most important  obstacle
         to  completing a deal with Huntsman.  According to the January 15, 1997
         issue of Chemical  Week, '. .  . HUNTSMAN  HAS SAID HE  COULD STILL  BE
         INTERESTED  IN  REXENE,  `BUT  NOT  WITH  THE  EXISTING  DIRECTORS  AND
         OFFICERS.' '
 
     Shareholders must ask themselves and the Company the following question:
 
       Why is Rexene's board conditioning its  approval of a $16 cash merger  on
       an  arbitrarily  and unreasonably  short  60 day  closing  schedule, when
       Huntsman  --  WHO  SEEMS  READY  AND  ABLE  TO  BUY  REXENE  AT  $16  PER
       SHARE  -- would  require a  more customary  closing schedule  of at least
       90-120 days?
 
     The SEC review and proxy solicitation process alone could take 60-90 days.
 
     We are asking that shareholders keep up  the pressure on the Board so  that
it  does not have the opportunity to block  the sale of the Company. That is why
we are asking you  to join us  in calling a Special  Meeting of shareholders  at
which you will have an opportunity to vote on proposals designed to maximize the
current  value of your shares, including a proposal to remove the existing Board
and to replace it with  directors who will seek to  sell the company for $16  or
more.  These  proposals are  described in  detail  in the  enclosed Solicitation
Statement which you should review carefully.
 
     IF YOU  THINK  SHAREHOLDERS  SHOULD  HAVE THE  OPPORTUNITY  TO  DECIDE  THE
COMPANY'S  FUTURE, SIMPLY  EXECUTE AND RETURN  THE GOLD  AGENT DESIGNATION CARD.
Although a separate vote  will then be necessary  on the shareholder  proposals,
the  calling of a  Special Meeting will  send a clear  message to Rexene's board
that you want action now on maximizing current shareholder value.
 
     We plan to call a  shareholders meeting as soon  as we have received  Agent
Designations  from the holders of a majority  of the outstanding shares. We have
set February 14th  as the  target date  for calling  the meeting  so please  act
promptly.  Your vote is important -- even  if we receive Agent Designations from
more than 51% of the shares -- because we will be sending the strongest possible
message to the Board if a large majority of the shares join in calling a Special
Meeting.
 
     We appreciate your continued support and encourage you to call us with your
views. You can  reach MacKenzie Partners,  Inc., which is  assisting us in  this
matter, TOLL FREE at 800-322-2885 or at 212-929-5500 collect.
 
                                   Sincerely,

<TABLE>
<S>                                           <C>
 
  /s/ GUY P. WYSER-PRATTE                     /s/ FRED KAMBEITZ

  GUY P. WYSER-PRATTE                         FRED KAMBEITZ
  Wyser-Pratte & Co., Inc.                    Spear, Leeds & Kellogg
</TABLE>
    





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________________________________________________________________________________
 
                       SOLICITATION OF AGENT DESIGNATIONS
                             IN CONNECTION WITH THE
                   CALL OF A SPECIAL MEETING OF STOCKHOLDERS
                                       OF
                               REXENE CORPORATION
 
                            ------------------------
 
   
                             SOLICITATION STATEMENT
                                       OF
                            MR. GUY P. WYSER-PRATTE
                            WYSER-PRATTE & CO., INC.
                                 63 WALL STREET
                            NEW YORK, NEW YORK 10005
                                 (212) 495-5350
                                      AND
                             SPEAR, LEEDS & KELLOGG
                                  120 BROADWAY
                            NEW YORK, NEW YORK 10271
                                 (212) 433-7000
    
 
                            ------------------------
 
   
     This  Solicitation Statement  and the  accompanying GOLD  Agent Designation
card are being furnished to holders of outstanding common stock, par value  $.01
per  share (the 'Common  Stock'), of Rexene  Corporation, a Delaware corporation
('Rexene' or the 'Company'), in connection with the solicitation of appointments
of Designated Agents ('Agent  Designations') from holders  of the Common  Stock.
The   Agent   Designations  are   being   solicited  by   Guy   P.  Wyser-Pratte
('Wyser-Pratte'), Wyser-Pratte & Co., Inc.  ('WPC'), and Spear, Leeds &  Kellogg
('Spear,  Leeds') (collectively, the 'Soliciting Group') to provide for the call
of a special meeting of the  Company's stockholders (the 'Special Meeting')  for
the  purposes  of  considering  and  voting  upon  certain  proposals, including
proposals targeted at replacing  the Company's current  Board of Directors  (the
'Board')  and preventing  the Board  from conducting  a prolonged  resistance to
certain takeover bids without stockholder approval, as described below under the
heading  'Special  Meeting  Proposals.'  Under  the  Company's  Certificate   of
Incorporation  (the  'Certificate  of  Incorporation'),  a  special  meeting  of
stockholders may be called 'at any  time by . . .  the holders of a majority  of
the  then  outstanding shares  of the  Company's  Common Stock'  (the 'Requisite
Holders').
    
 
   
     This Solicitation  Statement and  the accompanying  GOLD Agent  Designation
card are first being sent to stockholders of the Company on or about January 21,
1997.  Agent Designations should be delivered as promptly as possible, by fax or
by mail (using  the enclosed  envelope), to the  Soliciting Group's  information
agent,  MacKenzie Partners, Inc.  ('MacKenzie Partners'), 156  Fifth Avenue, New
York, New York 10010, Fax: (212) 929-0308.
    
 
     THE FAILURE TO EXECUTE AND RETURN THE GOLD AGENT DESIGNATION WILL HAVE  THE
SAME EFFECT AS OPPOSING THE CALL OF THE SPECIAL MEETING.
 
________________________________________________________________________________
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                          REASONS FOR THE SOLICITATION
 
     During  July and August of this  year the Huntsman Corporation ('Huntsman')
made proposals to  acquire the outstanding  shares of Rexene's  Common Stock  at
prices  of $14 and $15 per share.  Although the offers represented a substantial
premium above the closing market  price on the day  prior to the initial  offer,
both  proposals  were unanimously  rejected by  the Board.  During the  next two
months there  were  several  meetings  between  Huntsman  and  Rexene,  and  the
Soliciting  Group filed a  Schedule 13D relating  to its stock  ownership in the
Company.
 
     On October 29, 1996, Rexene received  a letter from Jon Huntsman,  Chairman
and  Chief  Executive  Officer of  Huntsman,  proposing  to acquire  all  of the
Company's outstanding  shares in  a cash  merger at  a price  of $16  per  share
(representing  a premium of over  72% over the Company's  closing stock price on
the day prior  to Huntsman's initial  offer). Huntsman and  Rexene then  entered
into  discussions which,  according to the  Company, were  later terminated over
disagreements relating to the structure of a possible transaction.
 
   
     On December 4, 1996, Huntsman issued a press release in which it  expressed
its  continuing interest in acquiring the  Company. The press release quoted Mr.
Huntsman as saying  that 'we believe  that our company  is uniquely situated  to
offer the fullest price possible' and that 'based on our recent experiences with
Rexene  and its  advisors, we believe  that Rexene  does not have  a sincere and
serious intent to sell the company and maximize shareholder value.' While  there
is  no assurance that Huntsman will make another offer to acquire the Company, a
December 9,  1996  article  in  'Mergers and  Restructurings'  reported  that  a
Huntsman spokesman had reaffirmed its interest in acquiring Rexene.
    
 
   
     The  Company has since declared  in its Preliminary Revocation Solicitation
Statement filed with the Securities and  Exchange Commission on January 2,  1997
(the 'Preliminary Revocation Solicitation Statement') that 'although [the Board]
believes a $16 per share price does not fully reflect the long-term prospects of
the Company, at this time the Board would not oppose a fully-financed cash offer
to  acquire all of  the outstanding Common  Stock on customary  terms at $16 per
share, as long as  the offer is  capable of being  consummated through a  tender
offer  or otherwise within 60 days.' The  Soliciting Group believes that 60 days
is an arbitrary and unreasonably short period of time to complete a cash merger.
Moreover, the Company's Preliminary  Revocation Solicitation Statement  repeated
the  Company's prior statements that now is  not a 'propitious time' to sell the
Company. Based on those statements and actions taken by the Company in  response
to  the Huntsman proposals, the Soliciting Group believes that the current Board
does not support  the goal of  maximizing the current  value of Rexene's  Common
Stock.  The Soliciting Group believes  that maximizing current shareholder value
should be the Company's  goal and that, under  present circumstances, a sale  of
the Company is likely to be the best way to achieve that objective.
    
 
   
     THE  AGENT DESIGNATIONS  WILL NOT  GIVE THE  DESIGNATED AGENTS  (AS DEFINED
BELOW) THE RIGHT TO VOTE ANY SHARES  OF COMMON STOCK AT THE SPECIAL MEETING  AND
NO  PROXIES FOR SUCH VOTES ARE BEING SOLICITED WITH THIS SOLICITATION STATEMENT.
THE  SOLICITING  GROUP  WILL  SEND  COMPANY  STOCKHOLDERS  ADDITIONAL  MATERIALS
SOLICITING PROXIES TO VOTE AT THE SPECIAL MEETING.
    
 
     The  Soliciting  Group now  solicits your  Agent  Designations to  call the
Special Meeting to adopt two groups of proposals designed to advance the goal of
maximizing the current value of Rexene's Common Stock:
 
   
      One group of proposals (the 'Director Replacement Proposals') would remove
      all of  the ten  members  of the  Board and  fill  four of  the  resulting
      vacancies  with  nominees,  including  any  substitute  nominees,  of  the
      Soliciting Group  (the  'Nominees'). The  Director  Replacement  Proposals
      would  consist of two resolutions: a  resolution to remove all the members
      of the Board (the 'Director Removal Resolution') and a resolution to  fill
      four  of  the  resulting vacancies  with  the Nominees  (the  'Election of
      Directors Resolution'). It  is anticipated that  the Nominees would  cause
      the  Board  to reduce  its  size to  a total  of  four directors  (or five
      directors if Mr. Smith  accepts an invitation, which  will be extended  by
      the  Board after  the Special  Meeting, for Mr.  Smith to  remain as Chief
      Executive Officer and a director of the Company). The Nominees would  then
      constitute  a majority of  the Board, committed to  the goal of maximizing
      the current value of the Common Stock by selling the Company on acceptable
      terms. The Nominees are
    
 
                                       2
 
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      Jonathan R.  Macey, Robert  C. Mauch,  Lawrence C.  McQuade and  James  S.
      Pasman,  Jr. Biographical information on each of the Nominees is set forth
      under the caption 'Special Meeting Proposals -- The Nominees.'
 
      Another group  of  proposals (the  'By-laws  Proposals'), which  would  be
      proposed  for  adoption by  the shareholders  in  advance of  the Director
      Replacement Proposals, are intended to facilitate passage of the  Director
      Replacement  Proposals and  to assist the  stockholders of  the Company in
      achieving the goal of maximizing the current value of the Common Stock.
 
     The By-laws Proposals would consist of three resolutions:
 
      a resolution  to  facilitate  the adoption  of  the  Director  Replacement
      Proposals by clarifying the right of stockholders to fill vacancies on the
      Board  and changing the stockholder vote  required to fill such vacancies,
      eliminating  the   advance   notification  requirement   for   stockholder
      nominations  of  directors at  special meetings,  reducing  the size  of a
      quorum for  action by  the Board,  giving the  Chairman of  the Board  the
      status  of an officer  of the Company and  authorizing the stockholders to
      appoint the Chairman, and repealing any by-laws adopted by the Board since
      October 1, 1996 (the 'Facilitating By-laws Resolution');
 
      a resolution to amend the Company's By-laws (the 'By-laws') to set a  time
      limit  on certain defensive  actions unless approved  by shareholders (the
      'Shareholder Rights Resolution'); and
 
      a resolution to  amend the  By-laws to  elect not  to be  governed by  the
      Business   Combination   Statute   (the   'Business   Combination  Statute
      Resolution').
 
     In addition, there will be an omnibus resolution setting the order in which
the  resolutions  will  be  voted   upon  by  the  stockholders  (the   'Omnibus
Resolution').
 
     The  Resolutions will be presented for  a shareholder vote in the following
order:
 
          1. The Omnibus Resolution;
 
          2. The Facilitating By-laws Resolution;
 
          3. The Shareholder Rights Resolution;
 
          4. The Business Combination Statute Resolution;
 
          5. The Director Removal Resolution; and
 
          6. The Election of Directors Resolution.
 
STOCKHOLDERS ENTITLED TO EXECUTE AGENT DESIGNATIONS AND EFFECT OF EXECUTION AND
                         DELIVERY OF AGENT DESIGNATIONS
 
   
     The Board has purported  to fix December  18, 1996 as  the record date  for
determining  stockholders entitled to call the  Special Meeting and submit Agent
Designations in connection therewith. In the Preliminary Revocation Solicitation
Statement, the Company also contends that (i) the Board has the right to fix the
date and time of the Special Meeting and (ii) executed Agent Designations  shall
cease  to  be  effective unless  the  Soliciting Group  receives  executed Agent
Designations from the  Requisite Holders within  60 days of  the earliest  dated
Agent Designation. In reaching these conclusions, it appears that the Company is
relying  on provisions in  the By-laws and the  Delaware General Corporation Law
that deal with matters other than calling a special meeting of stockholders  and
is  not giving full effect to the provision of the Certificate of Incorporation,
which states that a special meeting of  stockholders may be called 'at any  time
by  . . . the holders of a majority of the then outstanding shares of the Common
Stock.' Accordingly,  the Soliciting  Group believes  that, although  it is  not
entirely  free  from doubt,  (i) the  record  date for  determining stockholders
entitled to call the Special Meeting and submit Agent Designations in connection
therewith shall be the  date that the Special  Meeting is actually called,  (ii)
the  stockholders, not the Board, have the right to fix the date and time of the
Special Meeting and (iii)  Agent Designations with respect  to shares of  Common
Stock  shall remain effective until revoked  or unless the person executing such
Agent Designation  is not  the record  holder of  such shares  at the  time  the
Special  Meeting  is  called.  Therefore, when  the  persons  designated  as the
stockholders' agents in the Agent Designations (each a 'Designated Agent')  have
unrevoked  Agent Designations from  the Requisite Holders,  the Soliciting Group
may call the Special Meeting, fix the
    
 
                                       3
 
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place, date and time of the Special Meeting and cause notice thereof to be given
to the  Company's  stockholders  entitled  thereto.  However,  as  noted  above,
management  may dispute the Soliciting Group's  method of determining whether it
holds unrevoked Agent Designations from the Requisite Holders and the Soliciting
Group's procedure for calling  the Special Meeting and  setting its place,  date
and time; and the Soliciting Group may decide to acquiesce, in whole or in part,
in  the Company's position in  the Preliminary Revocation Solicitation Statement
regarding the determination  of the record  date, the period  in which  executed
Agent Designations are effective and the procedure for setting the date and time
of  the Special Meeting.  The Agent Designations grant  to the Designated Agents
the full rights and authority of the Requisite Holders to take these actions  in
connection  with the Special  Meeting, but THE AGENT  DESIGNATIONS WILL NOT GIVE
THE DESIGNATED  AGENTS THE  RIGHT TO  VOTE ANY  SHARES OF  COMMON STOCK  AT  THE
SPECIAL  MEETING AND  NO PROXIES  FOR SUCH VOTES  ARE BEING  SOLICITED WITH THIS
SOLICITATION STATEMENT.  THE SOLICITING  GROUP  WILL SEND  COMPANY  STOCKHOLDERS
ADDITIONAL MATERIALS SOLICITING PROXIES TO VOTE AT THE SPECIAL MEETING.
    
 
     The  record date for determining stockholders  entitled to notice of, or to
vote at, the Special Meeting shall be at  the close of business on the day  next
preceding  the  day  on  which  notice  of  the  Special  Meeting  is  given  to
stockholders, unless the Board sets a  different record date in accordance  with
the Delaware General Corporation Law.
 
     The  purpose  of the  Special  Meeting is  to  provide stockholders  of the
Company the opportunity to consider and vote on the Special Meeting Proposals.
 
     By executing and returning the GOLD Agent Designation to MacKenzie Partners
you will not be committing  to vote in favor of  or against the Special  Meeting
Proposals or any other matter to be brought before the Special Meeting, nor will
you  be granting  any proxies to  vote on  such matters. A  validly executed and
unrevoked Agent Designation will authorize the Designated Agents (i) to call the
Special Meeting, (ii) to set  the place, date and  time of the Special  Meeting,
(iii) to give notice of the Special Meeting and any adjournment thereof and (iv)
to  exercise all rights of Requisite Holders incidental to calling and convening
the Special Meeting and causing the purposes of the authority expressly  granted
pursuant  to the Agent Designations to the  Designated Agents to be carried into
effect. To vote on the matters to be brought before the Special Meeting you must
vote by proxy or in person at the Special Meeting.
 
   
     If any of your shares of Common Stock  are held in the name of a  brokerage
firm,  bank, bank  nominee or  other institution, only  it can  execute an Agent
Designation for such shares and  will do so only  upon receipt of your  specific
instructions.  Accordingly, you are asked to  contact the person responsible for
your account and instruct that person to execute the GOLD Agent Designation.
    
 
                          BACKGROUND AND RECENT EVENTS
 
     According to the  Company, 'On July  17, 1996, Jon  Huntsman, Chairman  and
Chief  Executive Officer of Huntsman, telephoned  Ilan Kaufthal, a member of the
Board and  a managing  director of  Schroder Wertheim  & Co.  Incorporated,  the
Company's  financial advisor ('Schroder Wertheim'),  to inform Mr. Kaufthal that
Huntsman intended to make a proposal to acquire all of the outstanding shares of
Common Stock. On July  18, 1996, Andrew J.  Smith, Chairman and Chief  Executive
Officer  of  the  Company, received  from  Mr.  Huntsman a  letter  containing a
proposal to acquire the outstanding shares of Common Stock at $14 per share in a
merger transaction  subject  to due  diligence  [(the 'Original  Offer')].'  The
closing  price of the  Common Stock on the  New York Stock  Exchange on July 17,
1996 was $9 1/4.
 
   
     On July 22,  1996, the Board  unanimously rejected the  Original Offer  and
issued a press release that stated in part that it was not 'a propitious time to
engage in this type of transaction.'
    
 
     According  to the Company,  'On July 25,  1996, Mr. Smith  sent a letter to
stockholders of  the  Company  explaining  the  Board's  reasons  for  rejecting
Huntsman's  proposal. The Board also  communicated its determination and reasons
directly to Mr. Huntsman.'
 
     According to  the  Company, 'On  August  1, 1996,  Mr.  Huntsman  delivered
another  letter to Mr.  Smith in which  Huntsman proposed to  acquire all of the
outstanding shares of  Common Stock for  $15 per share  in a merger  transaction
[(the   'Amended   Offer'   and   together   with   the   Original   Offer,  the
 
                                       4
 
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<PAGE>
'Huntsman Offers')]. The Board was advised  of Huntsman's revised proposal at  a
meeting  held on August 2,  1996. At that meeting,  the Board decided to explore
whether any person  or group, in  addition to Huntsman,  might be interested  in
engaging  in a  business combination or  other appropriate  transaction with the
Company. Accordingly, at that  meeting the Board  directed management, with  the
assistance  of  Schroder Wertheim,  to develop  a list  of companies  that would
likely have an interest  in the Company.  During the first  two weeks of  August
1996, six investment firms and companies were contacted by the Company, three of
which  subsequently  executed  confidentiality/standstill  agreements  with  the
Company for the purpose of conducting a due diligence review of the Company.'
 
     According to the Company, 'On August 5, 1996, the Rexene directors met with
its financial and legal advisors to  review Mr. Huntsman's revised proposal.  At
that meeting, the Board unanimously determined that the revised proposal was not
in the best interests of the Company and its stockholders.'
 
   
     On  August 20, 1996, Huntsman issued a press release announcing that it was
dropping its  proposal to  acquire the  Company. The  press release  quoted  Mr.
Huntsman  as  stating that  he  had dropped  the  Amended Offer  'after Schroder
Wertheim &  Co., Rexene's  financial adviser,  indicated that  the  Dallas-based
chemicals  company would reject offers even in excess of $15 a share.' On August
21, 1996, Reuters reported that in an interview with Mr. Huntsman he had  stated
that  he was willing to pay $16 per share for Rexene, but that Schroder Wertheim
had indicated that that offer would also be refused.
    
 
     On August 26, 1996, Schroder Wertheim issued a press release stating  that,
contrary  to  statements  contained  in  Huntsman's  August  20  press  release,
representatives of Schroder Wertheim never told Mr. Huntsman or anyone else that
the Board would reject higher bids.
 
     According to the Company, 'During  August, September and October 1996,  the
Company  and  its representatives  met with  the companies  that had  executed a
confidentiality/standstill agreement with the  Company. The Company urged  these
companies  to complete their  due diligence review  of the Company  and, if they
remained interested in a transaction at that time, to submit their best proposal
for consideration by the Board.'
 
     According to the  Company, 'At  Mr. Huntsman's request,  Messrs. Smith  and
Kaufthal  also traveled to Salt Lake City to meet with Mr. Huntsman on September
16, 1996. At  that meeting, Mr.  Huntsman indicated  that he would  not make  an
offer for the Company that was not supported by the Board, but that he was still
interested  in bringing the Company into the Huntsman family. Mr. Huntsman asked
that Mr. Smith  present to him  some ideas about  combining parts of  Huntsman's
businesses  with the  Company's businesses.  Mr. Smith  indicated that  he would
report that request  to the Rexene  directors, and if  they concurred, he  would
meet  again with Mr. Huntsman some time in  mid to late October. The Board, at a
meeting held on September 26,  1996, directed Mr. Smith  to meet again with  Mr.
Huntsman.'
 
     On  October 15, 1996, the Soliciting Group  filed a joint Schedule 13D (the
'Schedule 13D') that indicated  its members' belief  that the Board's  rejection
of,  and failure to  explore, the Huntsman  Offers 'was improper  and not in the
best interests of the Company.' The  Schedule 13D indicated that the members  of
the Soliciting Group intended to take certain actions 'in an effort to encourage
greater  responsiveness by the Company  to the views of  its shareholders and to
maximize value for all of the shareholders  of the Company . . .' These  actions
included  calling a special meeting  of stockholders of the  Company in order to
remove all or  a majority of  the current  directors of the  Company, amend  the
By-laws,  if necessary, to give stockholders the  right to fill vacancies on the
Board and replace the directors who  have been removed with directors  nominated
by the Soliciting Group who would explore alternative ways to maximize value for
the  stockholders of the Company. In addition, at such a meeting, the Soliciting
Group disclosed that it  intended to submit to  the stockholders of the  Company
proposed  amendments  to the  By-laws  which would  (i)  require that  the Board
terminate defensive measures against a fully financed cash offer after 90  days,
unless  the stockholders of  the Company vote  to support the  Board's policy of
opposition to such offer and (ii) provide that the Company shall not be governed
by Section 203 of the Delaware General Corporation Law.
 
     According  to  the   Company,  'On   October  17,  1996,   Mr.  Smith   and
representatives   of  Schroder  Wertheim  met  with  Mr.  Huntsman  and  another
representative of Huntsman as a follow-up to the September 16, 1996 meeting.  At
this  meeting, Mr. Huntsman  stated that the  acquisition of the  Company was no
longer as  important to  Huntsman's  business as  he visualized  several  months
earlier, but that he
 
                                       5
 
<PAGE>
<PAGE>
might  be willing to consider a transaction at  no more than $15.50 per share of
Common Stock so long as the Board did  not oppose such an offer. In the view  of
Mr.  Smith  and  the Schroder  Wertheim  representatives, Mr.  Huntsman  did not
express any urgent interest  in pursuing a  transaction. Following the  meeting,
Mr.  Smith asked the Company's general counsel  to furnish to Huntsman a copy of
the Company's form of confidentiality/standstill agreement for execution so that
the Company  could  provide Huntsman  and  its representatives  with  non-public
information to facilitate a due diligence review by Huntsman of the Company.'
 
     On  October 21, 1996,  the publication 'Plastics News'  reported that in an
interview on October  14 the Chairman  and Chief Executive  Officer of  Huntsman
would  not rule out  an acquisition of  Rexene. The story  quoted him as saying:
'The jury's still out on Rexene . .  . I wouldn't write that off by any  means.'
The story also stated:
 
          When  the Rexene bid stalled, Huntsman said another run at Rexene
     wasn't 'worth the aggravation' and he  said he would drop any  further
     negotiations.  Since then,  however, Huntsman  said he  has maintained
     cordial relations with officers and managers of Rexene.
 
          Rexene spokesman Neil J. Devroy noted that Rexene, as a  publicly
     held company, has a responsibility to review all potential acquisition
     offers, including any new bids from Huntsman.
 
          'If he made another offer, we would consider it,' he said.
 
     In late October, Huntsman made a proposal to acquire the Company at $16 per
share  in a cash merger. Huntsman and  the Company then entered into discussions
which terminated  over disagreements  about the  structure of  the  transaction.
Huntsman  and the Company gave their respective accounts of those discussions in
press releases issued on December 4 and December 5, 1996.
 
     On December 4, 1996, Huntsman issued the following press release:
 
          Jon M.  Huntsman,  Chairman  and  CEO  of  Huntsman  Corporation,
     confirmed  today that in late October  Huntsman Corporation made a new
     proposal to acquire Rexene Corporation in a merger transaction for $16
     per share  in cash.  Although counsel  for Huntsman  and Rexene  began
     negotiating a merger agreement, discussions are no longer underway.
 
          Reflecting  on the nature of the merger discussions, Mr. Huntsman
     said, 'Based on our recent  experiences with Rexene and its  advisors,
     we  believe that Rexene does not have  a sincere and serious intent to
     sell the company and maximize shareholder value.'
 
          A copy of  a letter sent  by Mr. Huntsman  to Rexene's  directors
     following  the breakdown of the merger discussions is attached to this
     press release.
 
   
          Mr. Huntsman  stated further,  'We believe  that our  company  is
     uniquely  situated to offer the fullest  price possible for Rexene due
     to the  ideal  fit  between  our  respective  product  lines  and  the
     extraordinary synergies that such a combination could afford.'
    
 
     The attached letter stated in full as follows:
 
    November 12, 1996
     VIA FACSIMILE
     (972) 450-9017
 
     Mr. Andrew J. Smith
     Chairman and Chief Executive Officer
     The Board of Directors
     Rexene Corporation
     5005 LBJ Freeway
     Dallas, TX 75244
 
     Gentlemen:
 
          I  am  writing to  express  concern and  disappointment  over the
     surprising turn of events  since I wrote to  you on October 29,  1996,
     offering  to acquire all of the  outstanding shares of common stock of
     Rexene Corporation at $16 per share in a merger transaction.
 
                                       6
 
<PAGE>
<PAGE>
          In response to our offer letter, I received a phone call from Mr.
     Smith and Mr. Kaufthal on the afternoon of October 29 indicating  that
     the Board of Directors had unanimously approved acceptance, subject to
     the review and approval of a 'standard merger agreement.'
 
          In  a subsequent phone call with Mr. Smith that same afternoon, I
     proposed what  I  believed to  be  an aggressive,  yet  very  feasible
     schedule  to  complete  the  merger  in  an  expeditious  and mutually
     acceptable manner.  In  brief, I  proposed  that (a)  our  team  would
     deliver  a draft form of merger agreement to Rexene's counsel early on
     November 1, (b) we  would be prepared to  meet and discuss the  merger
     agreement  starting as early as Saturday, November 2, and (c) we would
     take all other steps necessary  to finalize and execute the  agreement
     the  following week. I also indicated  our preference to structure the
     transaction as a one-step merger.
 
          During these phone calls with Mr.  Smith and Mr. Kaufthal, I  was
     assured  that  Rexene  was  prepared to  negotiate  in  good  faith to
     finalize an agreement. I  was also assured that  Rexene had no  hidden
     agenda and would move forward to get the deal done.
 
          The  statements and actions of  Rexene's counsel since that time,
     however, have been contrary to those assurances.
 
          Although we  adhered  to  the schedule  by  delivering  a  merger
     agreement  to Rexene's counsel by the start of business on November 1,
     we heard very little until November 5, when Mr. Smith telephoned me to
     say that Rexene was rejecting our  offer because of our preference  in
     structuring  the transaction as a one-step merger rather than a tender
     offer.
 
          At a meeting last week  between counsel for Rexene and  Huntsman,
     we  were presented with  a series of  outrageous and unrealistic terms
     and demands, including (a) a 'reverse break-up fee' of $100 million to
     be paid to Rexene if the transaction is not completed, (b) interest to
     be  paid  by   Huntsman,  accruing   during  the   time  period   from
     approximately  thirty days after  the signing of  the merger agreement
     until  completion,  (c)   Rexene's  refusal  to   give  standard   and
     fundamental  representations that are made  in virtually every 'public
     company' acquisition, (d) Huntsman's commitment to complete the merger
     even if Rexene violates all of its representations and covenants under
     the merger  agreement,  and (e)  an  'unconditional' letter  from  our
     bankers  that all  funds are available  now and will  be available, at
     closing to complete the transaction.
 
          None of  the  issues  above  were  raised  by  Mr.  Smith  in  my
     discussions  with him, and one must  question whether your counsel was
     even authorized by  the Rexene Board  to raise these  issues. We  have
     never encountered such an onerous list of demands, and it appears that
     the  actions of  your counsel undercut  the Board's  prior decision to
     proceed in good faith to negotiate a merger transaction.
 
          We  have  on   several  occasions  explained   our  reasons   for
     structuring  this transaction as a  one-step merger. We have indicated
     our willingness to enter into  a standard merger agreement  containing
     all  reasonable and customary provisions  under which Huntsman will be
     legally bound  to complete  the merger  in a  timely manner.  We  have
     assured Rexene's representatives of our ability and desire to complete
     the merger as soon as possible. Unfortunately, another week that could
     have  been used productively toward  completing a transaction has been
     lost.
 
          Again, I  wish to  emphasize  that we  are  prepared to  move  as
     expeditiously  as possible to finalize a merger agreement. We are also
     prepared to make our representatives available to you to assure you of
     our financial capability  to complete the  transaction. Bankers  Trust
     offered  to cover this matter with  your financial team, but there was
     total rejection of this offer by your counsel.
 
          Let me also be clear that the well-being of Rexene's employees is
     of primary concern to us as it has been in our past transactions,  and
     we  are anxious to meet with Rexene to achieve a mutually satisfactory
     transition of those employees into the Huntsman family, and to resolve
     any concerns.
 
          I am convinced that if Rexene's shareholders were to learn of the
     events of the past two weeks, they would be extremely discouraged  and
     disappointed.
 
                                       7
 
<PAGE>
<PAGE>
          It  is apparent  that our  capabilities and  views are  not being
     accurately represented to the  Rexene board by  your counsel. We  have
     successfully  closed more acquisitions than  perhaps any other firm in
     the chemical  industry,  but this  is  the first  time  outside  legal
     counsel  has unilaterally  placed barricades  in such  an unproductive
     manner. It  is our  sincere  hope that  the principals  can  determine
     policy matters and let respective counsel implement these decisions.
 
          To  this end, I would welcome  the opportunity to meet personally
     with the Board to satisfy you  as to our company's intent and  ability
     to close the deal promptly.
 
                                          Sincerely,
                                          JON M. HUNTSMAN
 
     On December 5, 1996, the Company issued the following press release:
 
          Rexene  Corporation (NYSE:RXN)  announced today  that contrary to
     statements attributed  to Huntsman  Corporation, the  Rexene Board  of
     Directors  did not reject the  latest takeover proposal from Huntsman;
     but rather encouraged Huntsman to change the unusual structure of  his
     offer  to a tender offer in  order to assure Rexene stockholders would
     receive full and speedy payment for their shares. Huntsman refused  to
     make any changes to his proposal and elected not to go forward.
 
          After  receipt  of  the  unsolicited  proposal  from  Huntsman on
     October 29, 1996, the Rexene  Board requested and received a  detailed
     takeover agreement from Huntsman. The Huntsman proposal provided for a
     one-step  merger transaction (as opposed  to the more typical two-step
     structure) subject to numerous conditions and contingencies,  required
     Rexene  to grant Huntsman an option on 19.9 percent of Rexene's shares
     and to pay an exorbitant cash  breakup fee if the transaction was  not
     completed,  was devoid of any  details regarding Huntsman's ability to
     finance the transaction, imposed  on Rexene unreasonable  requirements
     to   assist  Huntsman   and  its   representatives  in   developing  a
     satisfactory financing  structure for  the transaction,  and  severely
     restricted  Rexene's  ability  to  operate  its  business  pending the
     completion of the transaction.
 
          Following the Board's review of  the proposal with its  financial
     and  legal  advisors, the  Rexene Board  determined that  the Huntsman
     proposal was  not  in  the  best interests  of  the  Company  and  its
     stockholders    and   authorized   counsel   to   present   Huntsman's
     representatives with a modified proposal providing for the acquisition
     of Rexene in a two-step tender  offer and merger transaction on  terms
     more  customary and  usual for  the acquisition  of a  public company.
     Huntsman rejected  Rexene's modified  proposal and,  despite  Rexene's
     invitation   and  desire,  refused  to   enter  into  any  substantive
     discussion to compromise the open points between the parties.
 
          Andrew J. Smith, Chairman and CEO of Rexene, said, 'After careful
     review of the latest Huntsman  proposal, and with assistance from  our
     independent  advisors, the Board determined that the Huntsman proposal
     was fraught with contingencies that  made it impossible for the  Board
     to  proceed  with reasonable  assurance  that a  transaction  could be
     completed in a  timely fashion without  putting substantially at  risk
     the viability of the Company and its value to stockholders.
 
          'It  is  unfortunate  that  Mr. Huntsman  would  not  negotiate a
     reasonable and typical  agreement that would  provide all of  Rexene's
     stockholders  the opportunity  and certainty of  receiving payment for
     their shares  within  a reasonable  period  of time.  In  effect,  the
     proposal  would  shut  down  the  expansion  and  improvement  program
     currently underway  at  Rexene  and negatively  affect  several  other
     ongoing   activities  with  no  reasonable   assurance  that  a  final
     transaction could be completed.
 
          'After receipt of Mr. Huntsman's letter of November 12, cited  in
     his  press release,  I replied on  November 15  (letter attached). Mr.
     Huntsman sent me a three sentence response which read in part: `I  was
     sure  the letter must be some kind  of a joke (even though lawyers are
     not known for  their senses of  humor), and  I threw it  in the  waste
     basket.' '
 
                                       8
 
<PAGE>
<PAGE>
          Mr.  Smith  added, 'The  Rexene Board  of Directors  continues to
     maintain an  open  attitude  and  we  are  convinced  that  any  party
     interested  in presenting  a proposal  to maximize  Rexene stockholder
     value will  proceed on  the  basis of  a negotiated  merger  agreement
     providing  for a transaction that reflects  fair value and that can be
     reasonably achieved in a timely manner in an environment that does not
     put the Company or its stockholders at risk.'
 
          Rexene Corporation,  through  its  Rexene Products  and  CT  Film
     divisions,   manufactures  thermoplastic  resins   and  plastic  film.
     Headquartered  in  Dallas,  Texas,   the  Company  has   manufacturing
     facilities  in  Texas,  Wisconsin,  Georgia,  Delaware,  Utah  and  in
     England.
 
     The attached letter stated in full as follows:
 
     Mr. Jon M. Huntsman
     Chairman
     Chief Executive Officer
     Huntsman Corporation
 
     Dear Jon:
 
          I was very disappointed  to receive your  letter of November  12,
     1996. I believe it completely mischaracterizes recent events and never
     addresses   the  fundamental  shortcomings  of  and  defects  in  your
     proposal. Let me  state that  the Rexene Board  is not  opposed to  an
     offer  to  sell  the Company  that  is  in the  best  interest  of our
     stockholders. Despite your refusal to sign a standard  Confidentiality
     Agreement,  I and  our investment bankers  traveled to  Salt Lake City
     several times  to  meet with  you  to  discuss your  interest  in  the
     company.
 
          So  that there  is no  misunderstanding on  your part,  I want to
     reconfirm that the  Rexene Board never  'approved acceptance' of  your
     latest  proposal. After receiving your two  page letter of October 29,
     1996, in which you indicated that the Huntsman Corporation's  proposal
     'is  unconditional both with respect  to financing and due diligence,'
     that same day I asked you to  provide us the details of your  proposal
     and  to furnish our counsel with a draft agreement so that we could be
     in a position to  understand the terms of  your proposal. Our  counsel
     received  the draft  three days  later, on  Friday, November  1, 1996.
     Notwithstanding the unrealistic deadlines continuously imposed by  you
     on  the Rexene directors since the  time you started making proposals,
     we and our counsel and  financial advisors worked through the  weekend
     to be in position to hold the Rexene Board meeting which took place on
     the following Monday, November 4, 1996.
 
          Simply  put, the Rexene  directors were shocked  at what you were
     proposing for Rexene and its stockholders. Contrary to your October 29
     letter, you were attempting to do  an LBO of Rexene with no  financing
     in  place  subject  to  numerous  conditions  and  contingencies  with
     unacceptable restrictions placed on Rexene's ability to operate during
     the pendency  of the  transaction. Moreover,  the agreement  contained
     exorbitant  and  illegal  demands  for  'lock  up'  stock  options and
     'break-up' fees. The  result was  that your  proposal contemplated  an
     unacceptably long period of time before the closing of the transaction
     and  completely failed to provide the Rexene directors with any degree
     of comfort that you would be able to complete the transaction.  Almost
     anyone  can make  a proposal  at a low  purchase price  and attempt to
     finance  it  on  the  back  of  the  Rexene  stockholders.  The  delay
     contemplated  by  your  proposal  also  would  create  havoc  with our
     customers, who have voiced concerns regarding your interest in Rexene.
     At the  same time,  your proposed  agreement would  restrict  Rexene's
     financial  and  operating  flexibility  during  the  pendency  of your
     proposed transaction.
 
          Following the  Rexene  Board  meeting, on  November  5,  1996,  I
     clearly  and unambiguously informed  you by telephone  that the Rexene
     directors  had   unanimously  determined   that  your   proposal   was
     unacceptable  and instructed me to present  you with an alternative. I
     began by telling  you that the  Board was opposed  to any  transaction
     that  does not  provide for a  tender offer by  which our stockholders
     will receive cash consideration for all  their shares in a prompt  and
     efficient  manner.  When  I  informed  you  of  the  Board's  position
     concerning the structure of your proposal, you refused to discuss  any
     of  these points and indicated that it would be your way or no way and
     that you were no longer interested in acquiring Rexene.
 
                                       9
 
<PAGE>
<PAGE>
          Despite your unwillingness to discuss any of our serious concerns
     with your proposal, at your counsel's subsequent request, our  counsel
     did  agree  to  meet  with  your counsel  to  explain  and  review our
     concerns. At that meeting, our counsel did not, as you claim,  present
     Huntsman  with  a  'series  of outrageous  and  unrealistic  terms and
     demands.' Rather, all he did was make some constructive suggestions as
     to the ways  in which Huntsman  could give the  Rexene directors  some
     comfort  that Huntsman was interested  in committing to something more
     than an option to shop Rexene to potential financing sources, that its
     proposal is not illusory and  has some acceptable degree of  certainty
     of  being accomplished.  Apparently, judging  by the  contents of your
     letter, this meeting  was sought by  your counsel not  to discuss  our
     differences in good faith, but rather as part of some sort of campaign
     to  bully  the  Rexene  Board into  capitulating  to  your  unfair and
     deficient proposal.
 
          You state in your  letter that Bankers  Trust offered to  'cover'
     the   matter  of  Huntsman's  financial  capability  to  complete  the
     transaction with Rexene's financial team. What our counsel was told by
     your counsel was that Bankers Trust and its representatives would need
     to meet with Rexene representatives  to gather information so that  it
     could then assess whether your proposed transaction could be financed.
     If  Bankers Trust  is willing to  finance the  transaction, you should
     have produced or should produce a commitment letter from Bankers Trust
     to that effect. We also would expect Huntsman to represent and warrant
     in any definitive  agreement that  it has  the funds  to complete  the
     transaction.
 
          The  problems  with your  draft agreement  went far  beyond those
     noted above.  It  is obvious  that  the Huntsman  Corporation  is  not
     willing to assume any of the normal risks and expenses associated with
     the  acquisition of a public corporation.  We thought you would act in
     good faith  and would  be  mindful of  the constraints  applicable  to
     directors of a public corporation in considering a transaction of this
     type. Unfortunately, we misjudged your intent.
 
   
          That  the  Rexene  Board  of  Directors  has  maintained  an open
     attitude should be obvious as we have maintained a dialogue with  you.
     But,  you  should  appreciate  that we  will  only  deal  with someone
     interested in  presenting a  proposal to  maximize Rexene  stockholder
     value.  Thus, our Board only will proceed on the basis of a negotiated
     agreement that provides for a transaction that reflects fair value and
     that can be reasonably achieved in  a timely manner in an  environment
     that  does  not put  the  Company or  its  stockholders at  risk. Your
     proposal falls far short of this objective.
    
 
   
                                          Very truly yours,
    
 
   
                                          A.J. SMITH
    
 
     According to the Company,  'During October and  November 1996, the  Company
was  advised by the various  parties who had executed confidentiality/standstill
agreements with the Company that no such  party was interested in making a  firm
proposal to acquire all of the outstanding shares of Common Stock.'
 
     On  November 29,  1996, the  publication 'Chemical  Week Executive Edition'
reported Mr. Huntsman as saying that  Huntsman could still be interested in  the
Company, 'but not with the existing directors and officers.'
 
   
     A  December 9, 1996 article in 'Mergers and Restructurings' reported that a
Huntsman Spokesman  had  reaffirmed  Huntsman's interest  in  acquiring  Rexene.
However,  there is no assurance that Huntsman will make another offer to acquire
the Company.
    
 
   
     According to the Company,  'On December 23, 1996,  the Board met again  and
confirmed  its position that although it believes a $16 per share price does not
fully reflect the  long-term prospects of  the Company, at  this time the  Board
would  not oppose a fully-financed cash offer  to acquire all of the outstanding
Common Stock  on customary  terms at  $16 per  share, as  long as  the offer  is
capable of being consummated through a tender offer or otherwise within 60 days.
If  such an offer were made, the Board  would take all actions necessary to make
the Company's stockholder rights plan (the so-called `poison pill') inapplicable
to such an offer.'
    
 
                                       10
<PAGE>
<PAGE>
                           SPECIAL MEETING PROPOSALS
 
DIRECTOR REPLACEMENT PROPOSALS
 
   
     The  Soliciting  Group believes  that  the Board's  response  to Huntsman's
acquisition proposal shows that the present Board is not seeking to maximize the
current value of the  Common Stock. Even after  Huntsman increased its offer  to
$16  per share, representing  over a 72%  premium over the  closing price of the
Common Stock on the  New York Stock  Exchange on July 17,  1996, the day  before
Huntsman  made the Original Offer, the Board  was unable to reach agreement with
Huntsman on the terms of an acquisition. See 'Reasons for the Solicitation'  and
'Background and Recent Events.' Management's Preliminary Revocation Solicitation
Statement  says that 'although [the  Board] believes a $16  per share price does
not fully reflect the  long-term prospects of the  Company, the Board would  not
oppose  a fully-financed  cash offer  to acquire  all of  the outstanding Common
Stock on customary terms at  $16 per share, as long  as the offer is capable  of
being  consummated  through a  tender offer  or otherwise  within 60  days.' The
Soliciting Group believes that  60 days is an  arbitrary and unreasonably  short
period  of time to  complete a cash merger.  Moreover, the Company's Preliminary
Revocation Solicitation Statement repeated the Company's prior statements to the
effect that  'It  is currently  not  a propitious  time  to sell  or  auction  a
petrochemical  and polymer company like Rexene. .  . .' Given this attitude, the
Soliciting Group believes that management and the Board are likely to respond to
offers that reflect  the Company's current  value in the  acquisition market  by
either  rejecting such offers or imposing unrealistic conditions as they have in
their most recent  response to  Huntsman's $16 per  share acquisition  proposal.
When  management  and  the  Board  negotiate in  response  to  such  offers, the
Soliciting Group believes they are likely to do so without the positive attitude
that is  necessary  to reach  agreement  on the  sale  of the  Company.  In  the
Soliciting  Group's opinion, the most recent round of negotiations with Huntsman
illustrates the difficulty  of having  a successful negotiation  in the  hostile
atmosphere  created by management's basic belief  that the Company should not be
sold at the present time. See 'Background and Recent Events.'
    
 
   
     The Soliciting  Group  also  disagrees  with the  view,  expressed  in  the
Preliminary  Revocation  Solicitation Statement,  that  'It is  currently  not a
propitious time to  sell or  auction a  petrochemical and  polymer company  like
Rexene,  because current stock  market prices for Rexene  and other companies in
these industries  are depressed  and fail  to reflect  their expected  long-term
value.'  The Soliciting Group believes that the stock market recognizes that the
petrochemical industry is cyclical  and adjusts the multiplier  it applies to  a
petrochemical company's earnings based on the industry's position in the cycle.
    
 
     Given  the attitude that the  Board showed in its  response to the Huntsman
Offers, the  Soliciting  Group believes  that  the  replacement of  all  of  the
directors  is the  most effective  way of  pursuing the  goal of  maximizing the
current value of the Common Stock. Accordingly, the Soliciting Group intends  to
submit  the Director Replacement Proposals for stockholder action at the Special
Meeting:
 
          REMOVAL OF  THE ENTIRE  BOARD OF  DIRECTORS, INCLUDING  ANY  DIRECTORS
          OTHER  THAN THE  NOMINEES WHO ARE  PURPORTEDLY ELECTED  AT THE SPECIAL
          MEETING. Section  141(k)  of  the  Delaware  General  Corporation  Law
          authorizes this action, with or without cause, by a vote of a majority
          of  the shares entitled to vote on the election of directors. Assuming
          that the Soliciting  Group receives  sufficient proxies  to adopt  the
          Director   Replacement  Proposals  and   the  By-laws  Proposals,  the
          Soliciting Group  believes  that it  will  not be  possible  to  elect
          directors  at  the Special  Meeting to  the  Board positions  that the
          Soliciting Group has  elected to leave  vacant since the  shareholders
          will  adopt a  By-law which  provides that  shareholders may  fill the
          Board vacancies at the Special Meeting only by the vote of a  majority
          of the shares represented and entitled to vote at the Special Meeting.
          However,  the  Soliciting Group  will  request proxies  to  remove any
          directors other than the Nominees  purportedly elected at the  Special
          Meeting.  This  is an  additional  precaution against  the possibility
          that, notwithstanding  the Omnibus  Resolution,  the Chairman  of  the
          Special  Meeting attempts to put  the Election of Directors Resolution
          to a vote  before the  shareholders vote on  the Facilitating  By-laws
          Resolution  and as  a result nominees  supported by a  minority of the
          shares represented  at the  meeting are  purportedly elected  to  fill
          vacancies  on the Board  which the Soliciting Group  is not seeking to
          fill.
 
                                       11
 
<PAGE>
<PAGE>
          ELECTION OF THE NOMINEES TO FILL  FOUR OF THE VACANT POSITIONS ON  THE
          BOARD,  WITH ONE OF THE NOMINEES  BEING ELECTED CHAIRMAN OF THE BOARD,
          WHILE ALLOWING THE OTHER FOUR  VACANCIES TO REMAIN UNFILLED.  Assuming
          that  the  stockholders  adopt  the  by-laws  being  proposed  by  the
          Soliciting  Group  to  clarify  the  right  of  stockholders  to  fill
          vacancies  on the Board and to facilitate the reduction in the size of
          the Board, the stockholders would be entitled to take these actions by
          the vote of a majority of the Common Stock represented and entitled to
          vote at the Special Meeting.
 
     It is anticipated  that the Nominees  would invite Mr.  Smith to remain  as
Chief  Executive Officer and to be reinstated  as a director by the Nominees. If
he does not accept that invitation, Mr. Lawrence McQuade would serve as  interim
chairman  and Chief  Executive Officer  until a  new Chief  Executive Officer is
appointed. The  Nominees  would then  cause  the  Board to  adopt  a  resolution
reducing  the size of the Board from ten to four directors (or five directors if
Mr. Smith accepted the Board's invitation to remain Chief Executive Officer  and
a director).
 
     It  is anticipated that the Nominees  would propose that the Company either
conduct negotiations  with Huntsman  or  other parties  that  by then  may  have
indicated  an interest in acquiring the  Company or retain investment bankers to
prepare offering materials and solicit proposals to acquire the Company for cash
and/or securities. Except for these steps, the Soliciting Group has no  specific
plans  for selling  the Company. If  it is not  feasible to sell  the Company on
terms that the Board and the stockholders find advantageous, the Nominees  would
seek  to have the Board  explore other means of  maximizing the current value of
the Common Stock.
 
THE NOMINEES
 
   
<TABLE>
<CAPTION>
          NAME AND ADDRESS             AGE    PRESENT PRINCIPAL OCCUPATION AND EMPLOYMENT HISTORY; DIRECTORSHIPS
- ------------------------------------   ---   ---------------------------------------------------------------------
<S>                                    <C>   <C>
Jonathan R. Macey ..................   41    Professor Macey is  the J.  DuPratt White  Professor of  Law and  the
  Cornell Law School                           Director  of  the John  M.  Olin Program  in  Law and  Economics at
  306 Myron Taylor Hall                        Cornell Law School,  specializing in  corporation law,  comparative
  Ithaca, New York 14853                       corporate governance, banking and corporate finance. From late 1993
                                               through  mid-1994, Professor Macey  was a Research  Fellow with the
                                               International Centre for Economic  Research in Turin, Italy.  Prior
                                               to that, he was a visiting law professor at the Stockholm School of
                                               Economics.  From 1990 to  1991, Professor Macey  was a Professor of
                                               Law at the University of  Chicago, and from 1987  to 1990 he was  a
                                               Professor of Law at Cornell University.
Robert C. Mauch ....................   57    From  1978 through  1996, Mr.  Mauch was  employed by  AmeriGas, Inc.
  127 West Devon Drive                         ('AmeriGas'), a retail propane marketer/distributor, and/or several
  Exton, Pennsylvania 19341                    of its  affiliates.  He  served  as President  (from  1983)  and  a
                                               director  (from 1992) of AmeriGas Propane,  Inc. From 1992 to 1996,
                                               Mr. Mauch was the President, Chief Executive Officer and a Director
                                               of AmeriGas. From 1993 to  1995, he was President, Chief  Executive
                                               Officer and a Director of Petrolane, Inc.
Lawrence C. McQuade ................   68    In  1950, Mr. McQuade was selected as  a Rhodes Scholar. From 1963 to
  Qualitas International                       1969, he was the Assistant Secretary for Domestic and International
  125 East 72nd Street                         Business for the U.S.  Department of Commerce.  From 1969 to  1975,
  New York, New York 10021                     Mr. McQuade was the President and Chief Executive Officer of Procon
                                               Incorporated,   an  engineering  and   construction  subsidiary  of
                                               Universal Oil  Products Co.  that  built petroleum  refineries  and
                                               petro-chemical plants. From 1975
</TABLE>
    
 
                                                  (table continued on next page)
 
                                       12
 
<PAGE>
<PAGE>
(table continued from previous page)
 
<TABLE>
<CAPTION>
          NAME AND ADDRESS             AGE    PRESENT PRINCIPAL OCCUPATION AND EMPLOYMENT HISTORY; DIRECTORSHIPS
- ------------------------------------   ---   ---------------------------------------------------------------------
<S>                                    <C>   <C>
                                               to 1987, he was the Executive Vice President and a director of W.R.
                                               Grace  & Co.  From 1988  through 1995,  Mr. McQuade  served as Vice
                                               Chairman of  Prudential Mutual  Fund Management,  Inc. Mr.  McQuade
                                               also  served as a director of KaiserTech Limited ('KaiserTech') and
                                               Kaiser Aluminum & Chemical Corporation ('Kaiser Aluminum').
James S. Pasman, Jr. ...............   66    Mr. Pasman was with  Aluminum Company of America  from 1972 to  1985,
  29 The Trillium                              serving as Vice Chairman and a director (1982-1985), Executive Vice
  Pittsburgh, Pennsylvania 15238               President-Finance and Chief Financial Officer (1976-1982), and Vice
                                               President  and Treasurer  (1972-1976). From 1987  through 1989, Mr.
                                               Pasman was  the  Chairman and  Chief  Executive Officer  of  Kaiser
                                               Aluminum,  and first President and Chief Executive Officer and then
                                               Chairman and Chief  Executive Officer of  KaiserTech. From 1989  to
                                               1991,  Mr. Pasman was the President  and Chief Operating Officer of
                                               National Intergroup,  an industrial  holding  company, as  well  as
                                               Chairman of Permian Corp., an oil gathering company. Mr. Pasman has
                                               been  retired since  1991. He  is a  director of  ADT, Limited, BEA
                                               Income Fund, Inc., BEA Strategic Income Fund, Inc. and BT Insurance
                                               Funds Trust.
</TABLE>
 
   
     Each of the  Nominees has  entered into an  agreement with  WPC and  Spear,
Leeds  whereby WPC  and Spear, Leeds  have agreed to  pay each Nominee  a fee of
between $10,000 and $15,000 (the specific amount to be in the sole discretion of
WPC and Spear, Leeds) in the event that he does not become a director of Rexene.
Additionally, WPC and Spear, Leeds have agreed to (i) reimburse each Nominee for
any reasonable out-of-pocket expenses incurred in the performance of his service
as a Nominee  and (ii) indemnify  each Nominee with  respect to any  liabilities
relating  to or arising out of such service. Mr. McQuade owns beneficially 2,000
shares of Common Stock.
    
 
   
     POSSIBLE ACCELERATION OF DEBT. Pursuant to Section 10.01(k) of the  Amended
and  Restated Credit Agreement  (the 'Credit Agreement'), dated  as of April 24,
1996 among the  Company, as borrower,  The Bank  of Nova Scotia,  as agent  (the
'Agent'),  and  the  lenders  signatory  thereto  (the  'Banks'),  the  Director
Replacement Proposals,  if adopted  by the  stockholders of  the Company,  would
cause  a 'change of control' as defined in the Credit Agreement. Pursuant to the
Credit Agreement, the Agent and the Banks could cancel the Banks' obligations to
make loans to the Company and/or  declare the principal amount then  outstanding
of,  and the accrued interest  on, the loans under  the Credit Agreement due and
payable.
    
 
   
     The Director Replacement Proposals, if  adopted by the stockholders of  the
Company,  would also  be a  'change of  control' under  the Indenture,  dated as
November 29, 1994, between  the Company and Bank  One, Texas, N.A., as  Trustee,
pursuant  to which  the Company's  11 3/4%  Senior Notes  due 2004  (the 'Senior
Notes') were issued.  Accordingly, on  a one-time  basis, pursuant  to an  offer
commenced  within 10 days of a 'change  of control,' each holder of Senior Notes
would have the right to require the Company to purchase all or any part of  such
holder's  Senior  Notes  at a  price  in cash  equal  to 101%  of  the aggregate
principal amount thereof plus accrued and unpaid interest thereon to the date of
purchase. Interest  on the  Senior Notes  at the  rate of  11.75% per  annum  is
payable  semi-annually  on  June 1  and  December  1 to  record  holders  on the
immediately preceding May 15 or November 15. As of January 17, 1997, the closing
price of the Senior Notes was $113.
    
 
   
     According to  the  Preliminary  Revocation Solicitation  Statement,  as  of
January  2, 1997, the aggregate indebtedness  under the Credit Agreement and the
Senior Notes was approximately $240 million.
    
 
                                       13
 
<PAGE>
<PAGE>
     Although the Soliciting Group has not  had discussions with the holders  of
Rexene  debt, the Soliciting Group believes it is unlikely that, if the Director
Replacement Proposals are adopted, the Banks would accelerate their loans or the
holders of the Senior Notes would  require the Company to repurchase the  Senior
Notes.  Furthermore, while  the Soliciting  Group has  not had  discussions with
potential sources  of refinancing,  they  believe that  if  the Company  had  to
refinance the loans under the Credit Agreement or the Senior Notes, they believe
the  Company could  do so  without a  material adverse  effect on  its financial
condition.
 
     The Soliciting  Group holds  these beliefs  principally for  the  following
reasons:
 
          1.  They believe the Nominees are qualified to oversee the business of
     the Company.
 
          2. They believe Rexene's business is not dependent on Mr. Smith or any
     of Rexene's other officers or directors.
 
          3. They believe Rexene is in healthy financial condition.
 
   
          4. The closing price of the Senior Notes on January 17, 1997 was $113,
     compared to a price of $101.00 (plus accrued interest) at which the holders
     could have required the Company to repurchase  the Notes on that date if  a
     Change in Control had occurred.
    
 
     STOCKHOLDERS'  ADVISORY COMMITTEE. Additionally, it is anticipated that, if
elected, the  Nominees  would  propose to  establish  a  Stockholders'  Advisory
Committee   (the   'Stockholders'  Advisory   Committee')  that   would  provide
non-binding recommendations to  the Board on  acquisition proposals received  by
the Company.
 
     The  Stockholders' Advisory Committee  would consist of  three members that
would have no current affiliation with  the Company other than as  stockholders.
Members  of the committee would be elected by the stockholders by plurality vote
at the Company's  annual meeting  of stockholders. The  term of  office of  each
member  would be one year  and in no case  would a member be  able to serve more
than three consecutive terms. The Company  would include in its proxy  materials
used  in the  election of directors,  nominations and  nominating statements for
members of the committee submitted by  any stockholder or group of  stockholders
which  has  owned  beneficially, within  the  meaning  of Section  13(d)  of the
Securities Exchange Act of 1934, as amended, at least $1 million in market value
of Common Stock continuously for the two-year period prior to the nomination.
 
     To assist it in evaluating an acquisition offer, the Stockholders' Advisory
Committee would  be  empowered  to  retain, at  the  Company's  expense,  expert
assistance,   including  attorneys  and  financial  advisors,  and  incur  other
reasonable expenses not  to exceed,  in the  aggregate, $.02  multiplied by  the
number  of  shares  of Common  Stock  outstanding  at the  time  the acquisition
proposal is made.
 
     If the Common Stock were the subject of a tender offer or the Company  were
otherwise  the subject  of an  acquisition proposal,  the Stockholders' Advisory
Committee would have the opportunity to have included in the Company's  Schedule
14A  or 14D-9  filed with the  Securities and Exchange  Commission in connection
with such  tender  offer  or  proposal its  evaluation  of,  and  recommendation
concerning,  such tender offer or proposal in a statement of not more than 2,500
words.
 
     The committee's  recommendations would  be solely  advisory in  nature  and
would  not restrict the Board in its ability  to take any action it deems in the
Company's best interest.
 
     Although there  is no  authority directly  on point,  the Soliciting  Group
believes  that as  long as  the Board  does not  delegate its  powers to  such a
committee, the Board is  authorized to establish and  expend corporate funds  on
such  a committee as a means of  communicating with stockholders and gaining and
disseminating information  about stockholder  sentiment on  important  corporate
questions.  The Soliciting Group believes that  the legal authority to establish
such a committee for  these purposes comes from  the Board's broad powers  under
Section 141 to manage the business and affairs of the Company.
 
BY-LAWS PROPOSALS
 
     The  text of  all the  proposed by-law amendments  will be  included in the
Soliciting Group's proxy materials  for the Special  Meeting. Based on  publicly
available information, the Soliciting Group
 
                                       14
 
<PAGE>
<PAGE>
believes  that adoption  of the  proposed amendments  to the  By-laws requires a
majority vote of the  shares of stock  represented and entitled  to vote at  the
Special  Meeting, assuming a quorum is present,  except that a proposal to amend
the By-laws to elect not to be  governed by Section 203 of the Delaware  General
Corporation  Law  (the 'Business  Combination Statute')  requires approval  by a
majority  of  the  Outstanding  Common  Stock,  as  provided  in  the   Business
Combination  Statute.  With respect  to  abstentions and  broker  non-votes, the
shares will be considered present at the Special Meeting, but since they are not
affirmative votes for  the proposals, they  will have the  same effect as  votes
against the proposals.
 
PROPOSAL TO AMEND THE BY-LAWS TO FACILITATE DIRECTOR REPLACEMENT PROPOSALS
 
     The  stockholders  must amend  the By-laws  in  order to  adopt all  of the
Director Replacement Proposals. The Soliciting Group intends to propose a single
resolution proposing  six by-law  amendments described  in this  section of  the
Solicitation  Statement. If that  resolution is not  adopted by stockholders, it
will not be possible to implement the Director Replacement Proposals.
 
     CLARIFYING STOCKHOLDERS' RIGHT TO FILL BOARD VACANCIES. One of the proposed
amendments would clarify the right of the stockholders to fill vacancies on  the
Board.
 
     Section  223 of  the Delaware  General Corporation  Law states  in relevant
part: 'Unless otherwise provided in the certificate of incorporation or bylaws:
 
          (1) Vacancies  and  newly  created directorships  resulting  from  any
     increase  in  the authorized  number  of directors  elected  by all  of the
     stockholders having the right to vote as a single class may be filled by  a
     majority of the directors then in office. . . .'
 
     The Company's By-laws state in relevant part:
 
          2.5  (b) SPECIAL MEETINGS OF STOCKHOLDERS. Nominations of persons
     for election  to the  board of  directors  may be  made at  a  special
     meeting  of stockholders at which directors are to be elected pursuant
     to the Corporation's notice of meeting  (a) by or at the direction  of
     the board of directors or (b) provided that the board of directors has
     determined  that directors  shall be elected  at such  meeting, by any
     stockholder of the Corporation who is  a stockholder of record at  the
     time  of the  giving of  notice of the  special meeting,  who shall be
     entitled to  vote at  the meeting  and who  complies with  the  notice
     procedures set forth in this Section 2.5. In the event the Corporation
     calls  a special meeting  of stockholders for  the purpose of electing
     one or more directors to the board of directors, any such  stockholder
     may nominate a person or persons (as the case may be), for election to
     such  position(s) as specified in the Corporation's notice of meeting,
     if the  stockholder's  notice required  by  paragraph (a)(2)  of  this
     Section  2.5  shall be  delivered to  the  Secretary at  the principal
     executive offices of  the corporation not  earlier than the  ninetieth
     (90th)  day prior to such special meeting and not later than the close
     of business on  the later  of the sixtieth  (60th) day  prior to  such
     special  meeting or  the tenth (10th)  day following the  day on which
     public announcement is first made of  the date of the special  meeting
     and  of the nominees proposed by the  board of directors to be elected
     at such meeting.
 
          3.4. VACANCIES. Except as  otherwise provided in the  Certificate
     of  Incorporation, any vacancy in the Board, whether because of death,
     resignation, disqualification, an increase in the number of directors,
     or any other cause,  may be filled  by a vote of  the majority of  the
     remaining directors. . . .
 
     Read  in isolation, the quoted sections of the Delaware General Corporation
Law and the By-laws could be  interpreted as granting stockholders the right  to
fill  vacancies on the Board only when  the Board elected to fill such vacancies
by a  shareholder vote.  However, there  is Delaware  case law  authority  which
suggests that stockholders have an inherent right to fill Board vacancies in the
absence of clear language to the contrary in the certificate of incorporation or
by-laws.  Moon v. Moon  Motor Car Co., Del  Ch., 151 A.  298 (1930); Campbell v.
Loew's, Inc., Del.  Ch. 134  A.2d 852 (1957);  Dileuterio v.  U.C. Cavaliers  of
Delaware,  Inc.,  Del. Ch.  Civil Action  No. 8801  (1987); Siegman  v. Tri-Star
Pictures, Inc., C.A. No. 9477 (Del. Ch. 1989).
 
                                       15
 
<PAGE>
<PAGE>
     Comparing the language of  the Company's By-laws to  the examples cited  in
these  cases, the language  of the Company's By-laws  does not seem sufficiently
clear to  override the  general  rule that  shareholders  are entitled  to  fill
vacancies on the board of directors; but the Soliciting Group has concluded that
there  are  sufficient  ambiguities to  justify  a clarifying  amendment  to the
By-laws. Therefore,  they  intend  to  propose a  By-law  amendment  that  would
explicitly  grant stockholders  the right  to fill  vacancies and  newly created
positions on the Board.
 
     ELIMINATING ADVANCE NOTIFICATION  REQUIREMENT FOR STOCKHOLDER  NOMINATIONS.
For  stockholders to have an effective right  to fill board vacancies, they must
also have the ability to make  nominations to the board. The Company's  existing
by-law  on nominations of directors at  special meetings is Section 2.5(b) which
is quoted above. The by-law is ambiguous on whether stockholders could make such
nominations without the cooperation  of the existing Board.  The by-law must  be
amended  to cure that ambiguity. The  Soliciting Group believes that the advance
notification requirement does not serve any useful purpose and therefore intends
to propose a by-law that would allow stockholders to make nominations up to  and
including the time of the meeting.
 
     FACILITATING  REDUCTION IN SIZE  OF BOARD. The  Board presently consists of
ten directors. The Soliciting Group believes that a smaller number of  directors
would  be a more effective working group and that a reduction in the size of the
Board would help the Company  to maintain a uniformly  high level of quality  on
the Board.
 
     The  Certificate of  Incorporation and  By-laws state  that subject  to the
rights of holders  of preferred stock,  the number of  directors shall be  fixed
exclusively  by the  Board. However, stockholders  can cause a  reduction in the
size of the Board indirectly by electing a new Board majority which reduces  the
number   of  directors.  The  Soliciting  Group  intends  to  propose  that  the
stockholders remove all of  the ten members  of the Board and  fill four of  the
resulting  vacancies, while leaving the other  six Board positions vacant. It is
anticipated that the  four directors  then in office  would cause  the Board  to
reduce  the total number of directors to four  (or five, if Mr. Smith accepts an
invitation from the Board to remain Chief Executive Officer and a director). See
'Director Replacement Proposals.'
 
     The Soliciting Group  intends to  propose the following  amendments to  the
By-laws to enable these actions to be taken:
 
     (i)  requiring  that  in  order  to  fill  a  vacancy  on  the  Board  at a
     stockholders meeting, the stockholders must act  by a majority vote of  the
     shares  represented and entitled to vote at the meeting. Section 216 of the
     Delaware General Corporation Law provides that in the absence of provisions
     to the contrary in the certificate of incorporation or by-laws,  'Directors
     shall  be elected  by a  plurality of  the votes  of the  shares present in
     person or  represented  by  proxy  at  the  meeting.  .  .  .'  Without  an
     appropriate  by-law amendment,  the existing Board  might seek  to (i) make
     nominations for the Board positions  the Soliciting Group intends to  leave
     vacant, and (ii) elect their nominees with the support of a minority of the
     shares  represented at the  meeting since the Soliciting  Group will not be
     seeking proxies to elect nominees to those positions. The Soliciting  Group
     believes  that this action would  not be legally valid;  but to avoid undue
     controversy, the Soliciting  Group's by-law  amendment explicitly  granting
     stockholders  the  right to  fill Board  vacancies  will also  require such
     actions to be by a majority of the shares represented and entitled to  vote
     at the meeting;
 
     (ii)  reducing size of quorum  for action by the  Board. Section 3.9 of the
     By-laws states  in relevant  part: Except  as otherwise  provided in  these
     Bylaws,  the Certificate  of Incorporation,  or by  law, the  presence of a
     majority of  the  authorized  number  of directors  shall  be  required  to
     constitute  a quorum for the transaction of  business at any meeting of the
     Board, and all matters shall be decided at any such meeting, a quorum being
     present, by the affirmative votes of  a majority of the directors  present.
     The number of authorized directors is presently ten. After the shareholders
     have  removed all of the current directors and filled four of the resulting
     vacancies with nominees of  the Soliciting Group, the  four members of  the
     Board  will not be  a majority of  the authorized number  of directors and,
     under the existing By-laws,  will not constitute  a quorum. Therefore,  the
     Soliciting  Group intends to propose an amendment to the By-laws reducing a
     quorum from one-half to two-fifths of the authorized number of directors;
 
                                       16
 
<PAGE>
<PAGE>
     (iii) granting stockholders the power to appoint the Chairman of the Board.
     Section 142(b)  of  the Delaware  General  Corporation Law  authorizes  the
     adoption  of  by-laws  which determine  the  manner in  which  officers are
     chosen. In order to permit  a new Chairman of the  Board to be selected  at
     the  stockholders  meeting,  the  Soliciting Group  intends  to  propose an
     amendment to the By-laws which gives  the Chairman of the Board the  status
     of an officer of the Company and authorizes the stockholders to appoint the
     Chairman of the Board; and
 
   
     (iv)  repealing any By-laws adopted by the Board since October 1, 1996. The
     Soliciting Group will also propose the repeal of any By-laws adopted by the
     Board since October 1, 1996  so that the Board can  not use new By-laws  to
     prevent  the stockholders  from accomplishing  the objectives  described in
     this Solicitation Statement.
    
 
PROPOSAL TO AMEND THE BY-LAWS TO SET A TIME LIMIT ON CERTAIN DEFENSIVE ACTIONS
UNLESS APPROVED BY SHAREHOLDERS
 
     The Soliciting Group  believes that  when a  substantial offer  is made  to
acquire  the Company,  the stockholders  rather than  the Board  should have the
final word on  whether the offer  is accepted. Today  the Company's  Shareholder
Rights  Plan or 'Poison Pill'  enables the Board to  block a proposal to acquire
control of  the Company  even if  the  acquiror is  prepared to  implement  that
proposal  through  a tender  or exchange  offer  to the  Company's stockholders,
without making the Company  a party to the  transaction. As a result,  potential
buyers   like  Huntsman  do  not  have  the  option  of  dealing  directly  with
stockholders if the Board opposes their acquisition proposals.
 
     The Soliciting Group is proposing  the 'Shareholder Rights By-law' so  that
if   a  substantial  offer  is  made   to  acquire  the  Company's  shares,  the
stockholders, not  the Board,  will have  the ultimate  decision on  whether  to
accept  the offer. The By-law would only  apply if the Company received an offer
(an 'Offer') to purchase all of the Common Stock for cash, by means of a  tender
offer,  merger or other  transaction, and the Offer  met the following criteria:
(i) it was fully financed and (ii) it was at a premium of at least 25% above the
average market  price  of the  Common  Stock  during the  preceding  month  (the
'Trigger  Premium'); provided, however,  that if another offer  had been made to
purchase all of the Common Stock during  the twelve months prior to the date  on
which the Offer was made, the price offered would have to be equal to or greater
than  the greater of (A) the  closing price of the Common  Stock on the New York
Stock Exchange on the trading day next preceding the day on which the Offer  was
made  and (B)  the per share  price of  such prior offer.  Under the Shareholder
Rights By-law, if the  stockholders received such an  Offer, the Board would  be
required  to  terminate  all defensive  measures  against the  Offer  unless the
Board's policy of  opposition was  approved by stockholders  within ninety  days
after  the Offer was  made. The Shareholder  Rights By-law would  not affect the
ability of  the  Board  under Sections  251  and  271 of  the  Delaware  General
Corporation  Law to approve or disapprove of a proposed merger or sale of all or
substantially all of the assets of  the Company. The By-law follows an  approach
to  tender offer regulation that  is followed in Canada,  the United Kingdom and
other European Countries.
 
     The passage of the Shareholder Rights By-law will have a significant impact
on the operation  of Rexene's  Poison Pill. Pursuant  to the  Poison Pill,  each
certificate for shares of Common Stock also represents the same number of rights
('Rights')  to purchase one share of Common Stock  from Rexene at a price of $60
per share (the 'Purchase  Price'). As soon as  practicable after the earlier  to
occur of (i) the tenth day after the date a person (an 'Acquiring Person') alone
or  together with affiliates and associates  becomes the beneficial owner of 15%
of the outstanding shares  of Common Stock  (or such lower  threshold as may  be
established  by the Board)  and (ii) the  tenth business day  after the date (or
such later date  as may be  determined by the  Board prior to  such time as  any
person  becomes an Acquiring Person) of  the commencement of, or announcement of
an intention to  make, a  tender offer or  exchange offer,  the consummation  of
which  would result in such offeror becoming an Acquiring Person (the earlier of
(i) or  (ii)  being  the  'Distribution  Date'),  the  Company  will  distribute
certificates to represent the Rights.
 
     The  Rights are not exercisable until the Distribution Date and will expire
on February 8, 2003 (the 'Final Expiration Date'), unless such date is  extended
or  the  Rights  are earlier  terminated,  redeemed  or exchanged  by  Rexene as
described below.
 
                                       17
 
<PAGE>
<PAGE>
     In the event  that any person  becomes an Acquiring  Person (and after  the
Company's right to redeem or terminate the Rights has expired and subject to the
Company's  right to exchange the  Rights for shares of  Common Stock, as each is
described below), the Rights  would entitle shareholders  of the Company  (other
than  the Acquiring Person) to receive upon exercise of the Right that number of
shares of Common Stock having a market value of two times the Purchase Price.
 
     In the event  that on or  after the  first date of  public announcement  by
Rexene  or an  Acquiring Person  that an Acquiring  Person has  become such (the
'Shares Acquisition Date'),  Rexene is acquired  in a merger  or other  business
combination  transaction or  50% or more  of its consolidated  assets or earning
power are sold, proper  provision will be  made so that each  holder of a  Right
(other  than the  Acquiring Person) will  thereafter have the  right to receive,
upon the exercise thereof at the Purchase Price, that number of common shares of
the acquiror that at the  time of such transaction will  have a market value  of
two times the Purchase Price.
 
     At  any time after the Shares Acquisition Date and prior to the acquisition
by an Acquiring Person of beneficial ownership of 50% or more of the outstanding
shares of Common  Stock, the Board  of Directors  may exchange, in  whole or  in
part,  the Rights  (other than  the Rights of  the Acquiring  Person) for Common
Stock, at an exchange  ratio of one share  of Common Stock (or  of a share of  a
class  or  series of  the Company's  preferred  stock having  equivalent rights,
preferences and privileges) for each Right.
 
     At any time prior to  the earlier to occur of  (i) the tenth day after  the
Shares  Acquisition Date (or such later date as may be approved by the Board) or
(ii) the Final Expiration Date, the Board of Directors may redeem the Rights, in
whole but not in part, at $.01 per share, or terminate the Rights in whole,  but
not in part, at no cost. After the Shares Acquisition Date, the Board may extend
the  time period described  in clause (i)  above or may  redeem or terminate the
Rights only if at the  time of taking such action  there are then in office  not
less  than  a majority  of  directors who  are  'Continuing Directors'  and such
extension,  termination  or  redemption  is  approved  by  a  majority  of  such
Continuing  Directors. A  'Continuing Director'  is defined  as a  member of the
Board who is not an Acquiring Person who was either a member of the Board  prior
to  the  Shares Acquisition  Date or  subsequently became  a director  and whose
nomination or election to the Board was recommended or approved by a majority of
Continuing Directors then on the Board.
 
     The terms of the Rights may be amended by the Board without the consent  of
the  holders  of  the Rights,  except  that,  subject to  the  Board's  right to
terminate or redeem the  Rights, from and after  the Shares Acquisition Date  no
such amendment may adversely affect the interest of the holders of the Rights or
may  be made  without the  consent of the  holders of  a majority  of the Rights
(other than  Acquiring  Persons). Subsequent  to  the Shares  Acquisition  Date,
amendments to the terms of the Rights may be made only if at such time there are
at least three Continuing Directors and such amendment is approved by a majority
of such Continuing Directors.
 
THE  FOREGOING IS A SUMMARY OF THE POISON  PILL AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE THERETO. THE DESCRIPTION OF THE  RIGHTS SET FORTH AS ITEM 1 OF  THE
COMPANY'S REGISTRATION STATEMENT ON FORM 8-A, DATED FEBRUARY 1, 1993, AS AMENDED
TO DATE, IS ATTACHED HERETO AS EXHIBIT A.
 
     Under  the Shareholder Rights By-law, if the Company received an Offer that
remained open for 90 days and no  person became an Acquiring Person during  such
period  and the Board did not  obtain shareholder approval to continue defensive
measures against the  Offer, the Board  would be required  to either redeem  the
Rights  or amend the Poison Pill so that  it would no longer be an impediment to
such an Offer. The Board would be required to take such action even if the Board
believed in  the  exercise  of its  fiduciary  duties  that the  Offer  was  not
advantageous  for the shareholders of Rexene. The Soliciting Group believes that
this result is in  the best interest of  shareholders because the  shareholders,
rather than the Board of Directors, should have the ultimate decision on whether
to accept the Offer.
 
     The  Certificate of  Incorporation authorizes  the Board  'to make, repeal,
alter, amend and rescind the by-laws of the Corporation in accordance with their
terms.' (emphasis added) The Shareholder Rights By-law will provide that it  may
be  repealed, altered, amended or rescinded  ('Changed') by the Board only under
the following conditions: (i) the Change is made at a meeting of the Board  held
in
 
                                       18
 
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connection  with  an annual  meeting  of stockholders,  (ii)  there is  a public
announcement at least  ninety days in  advance of such  annual meeting that  the
Board  intends to  make such Change  and (iii)  the stockholders do  not adopt a
resolution at such annual  meeting to disapprove  such Change by  the vote of  a
majority of the shares voting on such resolution.
 
     If  the Board failed  to obtain shareholder  approval to continue defensive
measures against a qualified Offer, the Shareholder Rights By-law could  require
the  Board to  terminate such  defensive measures whether  or not  the Offer was
advantageous for the Company's shareholders;  but the Soliciting Group  believes
that the shareholders' failure to grant such approval would be evidence that the
Offer  was advantageous  for the Company's  shareholders and  that therefore the
adoption  of  the  Shareholder  Rights  By-law  is  in  the  shareholders'  best
interests.
 
     In  the absence of an offer to purchase  all of the Common Stock during the
previous twelve  months, the  By-law only  applies  to offers  of at  least  the
Trigger  Premium. Although the average  acquisition premium in Rexene's industry
is higher than the Trigger Premium, the Soliciting Group believes that a premium
of this size is large enough to be worthy of consideration by stockholders.  The
Trigger  Premium condition does not  apply when there has  been an offer for the
Common  Stock  within   the  preceding   twelve  months   because  under   those
circumstances  it is likely  that the market  price of the  Common Stock will be
affected by expectations that  the offeror may make  another offer. While  there
can be no assurance that the Company will ultimately get a price higher than the
Trigger  Premium,  acquisition  bids  often attract  competition  that  leads to
subsequent offers at a price higher than the initial offer or the initial bidder
may raise its price.
 
     The Soliciting Group  believes that  the provision for  a shareholder  vote
assures  that the  By-law will  not be used  to facilitate  coercive offers. The
courts have  defined a  coercive offer  as 'an  offer which  has the  effect  of
compelling shareholders to tender their shares out of fear of being treated less
favorably  in the  second stage.'  If a  majority of  the Company's shareholders
consider an offer coercive, the Board  will be able to win shareholder  approval
to continue defensive measures against the Offer for more than ninety days.
 
     Based  on their experiences as investors  in target company securities, the
Soliciting Group believes  that ninety days  is normally sufficient  time for  a
target  company,  seeking  a  higher offer,  to  complete  the  bidding process.
However, circumstances  could arise  in which  a board  of directors  seeking  a
higher offer was unable to complete the entire process of finding and closing an
alternative   transaction  within  the  ninety-day   period  prescribed  by  the
Shareholder Rights By-law. Similarly,  if a board were  trying to negotiate  the
terms  of an acquisition with a prospective purchaser, the inability to resist a
hostile tender offer by that purchaser beyond an initial ninety-day period could
reduce the board's leverage to  negotiate favorable terms for stockholders.  The
Soliciting  Group believes  the ninety-day  limit on  defensive measures  in the
Shareholder Rights By-law  need not prevent  the Board from  obtaining the  best
possible terms for stockholders in either of these situations, because the Board
would be free to seek stockholder approval to continue defensive measures for an
additional  period of time. However, given  the time periods required to solicit
proxies and possibly to  call and hold a  stockholders meeting, the Board  would
have to plan ahead to get such approval before the end of the ninety-day period;
and  if the  Board failed  to do so  it is  possible that  under the Shareholder
Rights By-law the Board would lose the power to take defensive measures  against
an Offer that was not in the best interests of Shareholders.
 
     While  the Soliciting Group believes that  the Shareholder Rights By-law is
valid, they recognize that the courts have not considered the validity of it  or
any  similar  by-law  and, therefore,  have  not  resolved the  extent  to which
stockholder-adopted by-laws may limit the authority  of a board of directors  to
oppose,  or  to  adopt  or employ  defensive  measures  against,  takeover bids.
Accordingly, it is uncertain whether the Shareholder Rights By-law would survive
a court challenge.
 
     The Soliciting  Group believes  that Section  109 of  the Delaware  General
Corporation  Law  authorizes the  enactment  of the  Shareholder  Rights By-law.
Section 109(a) gives stockholders the power to 'adopt, amend or repeal By-laws.'
Section 109(b) states: 'The by-laws may contain any provision, not  inconsistent
with  law or with the certificate of  incorporation, relating to the business of
the corporation, the conduct  of its affairs,  and its rights  or powers or  the
rights  or  powers  of  its  stockholders,  directors,  officers  or employees.'
(emphasis  added)   In   a   review  of   the   Delaware   General   Corporation
 
                                       19
 
<PAGE>
<PAGE>
Law,  the Certificate of Incorporation and By-laws, the Soliciting Group has not
discovered any provisions  that bar stockholders  from adopting the  Shareholder
Rights  By-law.  They  believe  that  Section  141(a)  of  the  Delaware General
Corporation Law does not bar the adoption of the Shareholder Rights By-law. That
section states: 'The business and  affairs of every corporation organized  under
this chapter shall be managed by or under the direction of a board of directors,
except  as may be  otherwise provided in  this chapter or  in its certificate of
incorporation.' (emphasis added) The Soliciting Group believes that the adoption
of the Shareholder Rights By-law is not inconsistent with Section 141(a) for two
reasons. First, if  Section 141(a) is  read as granting  the board of  directors
exclusive authority over the business and affairs of the corporation, that grant
is  qualified by the phrase 'except as may be otherwise provided in this chapter
or in its certificate of incorporation.' The savings clause leaves room for  the
grant of authority in Section 109 for stockholders to adopt by-laws, such as the
Shareholder Rights By-law, which relate to the rights and powers of stockholders
and directors. Second, the Soliciting Group believes that any reading of Section
141(a)  that invalidated  the Shareholder  Rights By-law  would make meaningless
Section 109's  broad  grant  of  authority for  stockholders  to  adopt  by-laws
relating to the rights of powers of stockholders and directors.
 
     The  Soliciting Group also believes that the Shareholder Rights By-law does
not conflict with Delaware case law dealing with the fiduciary duties of  boards
of  directors. In certain  cases, courts interpreting Delaware  law have, on the
basis of  particular  facts  presented,  upheld  reasonable  defensive  measures
adopted  by  directors who,  in good  faith  and upon  reasonable investigation,
believed  that  a  hostile  offer  posed  a  danger  to  corporate  policy   and
effectiveness,  even though  a majority  of the  stockholders may  have tendered
their shares. The  Soliciting Group  believes that  these cases  do not  support
invalidating  the Shareholder Rights  By-law because in none  of those cases was
the board's discretion limited  by a by-law  previously adopted by  stockholders
pursuant  to their  powers under  Section 109,  nor did  the court  consider the
stockholders' authority to adopt such a by-law. The Soliciting Group believes it
is inherent in  the Delaware scheme  of corporate  law that while  the board  is
entitled  to exercise  its judgment  in responding  to a  tender offer  or other
takeover bid, its judgment must be  exercised within the framework of  statutes,
charter provisions and by-laws which in certain instances limit the actions that
directors  may take even when the directors  believe that their chosen course of
action is in the best interests of stockholders.
 
PROPOSAL TO AMEND THE BY-LAWS TO ELECT NOT TO BE GOVERNED BY THE BUSINESS
COMBINATION STATUTE
 
     The Soliciting Group will propose  that stockholders adopt an amendment  to
the By-laws electing not to be governed by the Business Combination Statute.
 
     The  Business Combination Statute  provides, in effect,  that if any person
acquires beneficial ownership of 15% or more of the Company's outstanding shares
(thereby becoming an 'Interested  Shareholder'), the Interested Shareholder  may
not  engage  in  a  business  combination  with  the  Company  for  three  years
thereafter, subject  to certain  exceptions. Among  the exceptions  are (i)  the
Board's prior approval of such acquisition; (ii) the acquisition of at least 85%
of  the Company's shares  (subject to certain exclusions)  in the transaction in
which such person becomes an Interested  Shareholder; and (iii) the approval  of
such  business combination by 66 2/3% of  the outstanding stock not owned by the
Interested Shareholder. The Company's shareholders may, by a vote of a  majority
of  the outstanding shares, adopt an amendment  to the By-laws or Certificate of
Incorporation electing not to be  governed by the Business Combination  Statute.
Such amendment would become effective twelve months after adoption and would not
be  subject  to  amendment  by the  Board  and  would not  apply  to  a business
combination with a  person who  became an  Interested Shareholder  prior to  the
adoption of such amendment.
 
THE  FOREGOING IS A SUMMARY OF THE BUSINESS COMBINATION STATUTE AND IS QUALIFIED
IN ITS  ENTIRETY BY  REFERENCE THERETO.  THE TEXT  OF THE  BUSINESS  COMBINATION
STATUTE IS ATTACHED HERETO AS EXHIBIT B.
 
     While  the proposed By-law  could facilitate a  business combination with a
15% or greater shareholder, whether or not the transaction was advantageous  for
shareholders,  the Soliciting Group believes that the adoption of this By-law is
in the best interests of  shareholders because the Business Combination  Statute
discourages  offers to acquire  the Company's shares; and  they believe that the
 
                                       20
 
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<PAGE>
Delaware  'entire  fairness'  doctrine  provides  adequate  protection  of   the
interests of the other shareholders in a business combination with a controlling
shareholder.
 
     The   Business  Combination  Statute  discourages  offers  to  acquire  the
Company's shares, in the  Soliciting Group's opinion,  by creating obstacles  to
second-stage  mergers in which successful offerors  acquire the remainder of the
Company's shares. The Business  Combination Statute has  this effect because  it
requires  the offeror  to win  the votes of  a two-thirds  super-majority of the
minority shareholders  to  approve  a second-stage  merger  unless  the  offeror
acquired at least 85% of the Company's shares (subject to certain exclusions) in
the  transaction in which the offeror became an Interested Shareholder or unless
such transaction was approved by the Board of Directors. If the Company were  to
opt  out of the Business Combination Statute, there would be no specific vote of
the minority shareholders required by  statute to effect a second-stage  merger.
In such event, if an Interested Shareholder proposed to acquire the remainder of
the  Company's shares  in a  second-stage merger  which was  not subject  to the
Business Combination Statute, it  might be able  to accomplish this  transaction
without  the favorable  vote of  a majority of  the minority  shareholders. As a
result an acquiror might be able  to accomplish a second-stage merger which  was
opposed  by a majority of the minority shareholders and which, such shareholders
did not believe was in their best interests.
 
     However,  the  Soliciting  Group  believes  that  the  Company's  remaining
shareholders  would  not  require  the protection  of  the  Business Combination
Statute, because under  Delaware law  a second-stage merger  with a  controlling
shareholder  would have to satisfy the  entire fairness test. This test requires
the courts  to  conduct  a  comprehensive  review of  the  fairness  of  such  a
transaction.  Its  scope has  been described  by the  Delaware Supreme  Court in
Weinberger v. UOP, Inc.:  'The concept of fairness  has two basic aspects:  fair
dealing  and fair price.  The former embraces questions  of when the transaction
was timed,  how  it was  initiated,  structured, negotiated,  disclosed  to  the
directors,  and  how  the  approvals  of  the  directors  and  shareholders were
obtained. The latter aspect  of fairness relates to  the economic and  financial
considerations  of the proposed merger,  including all relevant factors: assets,
market value, earnings, future prospects, and any other elements that affect the
intrinsic or inherent  value of a  company's stock.' It  is common practice  for
acquirors  to satisfy this requirement by  conditioning a second-stage merger on
approval by a majority of the minority shareholders.
 
               RECESS OR ADJOURNMENT OF MEETING AND OTHER MATTERS
 
     The Soliciting Group also anticipates requesting, in the proxy solicitation
relating to the Special Meeting, authority to initiate and vote for proposals to
recess or  adjourn  the Special  Meeting  for  any reason,  including  to  allow
inspectors  of the election to certify the outcome of the election of directors,
or to allow the solicitation of  additional votes, if necessary, to approve  the
Special  Meeting Proposals. The  Soliciting Group does  not currently anticipate
additional Special Meeting Proposals  on any substantive matters.  Nevertheless,
the  Soliciting Group may elect to cause additional Special Meeting Proposals to
be identified in  the notice of,  and in  the proxy materials  for, the  Special
Meeting.
 
                CERTAIN INFORMATION CONCERNING WYSER-PRATTE AND
                     OTHER PARTICIPANTS IN THE SOLICITATION
 
   
     Wyser-Pratte  is  President  and Chief  Executive  Officer  of Wyser-Pratte
Management Company and WPC,  which are principally  engaged in money  management
and  event arbitrage. The principal  executive offices of WPC  are located at 63
Wall Street, New York, New York 10005. As of January 20, 1997, Wyser-Pratte owns
beneficially 953,600  shares of  the  Common Stock,  representing  approximately
5.07%  of the Outstanding  Common Stock. This includes  shares owned directly by
Wyser-Pratte and  shares  owned by  investment  partnerships and  other  managed
accounts  for  which affiliates  of WPC  are the  general partner  or investment
manager. Other than  Wyser-Pratte, no other  officer of WPC  owns any shares  of
Common   Stock.  In  addition,  52,000  shares  of  Common  Stock,  representing
approximately .28% of the Outstanding Common  Stock were held by clients of  WPC
in  certain brokerage accounts maintained with WPC. Neither Wyser-Pratte nor WPC
has any voting or investment power or authority with respect to shares of Common
Stock held in such accounts, and  both Wyser-Pratte and WPC disclaim  beneficial
ownership of such shares.
    
 
                                       21
 
<PAGE>
<PAGE>
   
     Spear,  Leeds  is principally  engaged  as a  registered  broker-dealer and
market maker. The principal executive offices of Spear, Leeds are located at 120
Broadway, New York, New York 10271. The sole general partner of Spear, Leeds  is
SLK  LLC, a New York limited liability company, with principal executive offices
located at 120 Broadway, New York, New York 10271. SLK LLC is controlled by  SLK
Management  Inc.,  a  New  York corporation  ('SLK  Management').  The executive
offices of SLK Management are located at 120 Broadway, New York, New York 10271.
SLK Management's principal  business is serving  as the Managing  Member of  SLK
LLC.  As of January 20,  1997, Spear, Leeds owns  beneficially 948,600 shares of
the Common Stock,  representing approximately  5.04% of  the Outstanding  Common
Stock. No officer of SLK Management owns any shares of Common Stock.
    
 
     The  members  of  the Soliciting  Group  have  orally agreed  (i)  to share
expenses incurred in  connection with the  filing of the  Schedule 13D and  this
Solicitation  Statement  and  the matters  described  herein and  (ii)  that any
purchases or sales of shares  of Common Stock made on  or after October 3,  1996
will  be allocated 50% to Wyser-Pratte and  his affiliates, on the one hand, and
50% to Spear, Leeds, on the other, unless otherwise agreed.
 
     See  the  Company's  Preliminary  Revocation  Solicitation  Statement   for
information  regarding Common Stock held by the Company's principal shareholders
and its management.
 
                              GENERAL INFORMATION
 
   
     This Solicitation  Statement and  the accompanying  GOLD Agent  Designation
Card  are first  being made  available to shareholders  on or  about January 21,
1997. Executed  Agent Designations  will be  solicited by  mail,  advertisement,
telephone,  telecopier and in person. Solicitation will be made by Wyser-Pratte,
Eric Longmire, Senior Managing Director of WPC, and Fred Kambeitz, George  Kohl,
Gregg  Villany and Howard Wiesenfeld of Spear,  Leeds, none of whom will receive
additional compensation for  such solicitation. Proxies  will be solicited  from
individuals,  brokers, banks, bank nominees and other institutional holders. The
Soliciting Group has  requested banks,  brokerage houses  and other  custodians,
nominees and fiduciaries to forward all solicitation materials to the beneficial
owners  of the shares they  hold of record. The  Soliciting Group will reimburse
these record holders for their reasonable out-of-pocket expenses.
    
 
   
     In addition,  the  Soliciting  Group has  retained  MacKenzie  Partners  to
solicit  Agent Designations in  connection with calling  the Special Meeting for
which MacKenzie Partners will be paid a fee of approximately $75,000 and will be
reimbursed  for  its  reasonable   expenses.  MacKenzie  Partners  will   employ
approximately  40 people in  its efforts. Costs  incidental to this solicitation
include expenditures for printing, postage,  legal and related expenses and  are
expected  to  be approximately  $300,000. The  total costs  incurred to  date in
connection with this solicitation are not in excess of $200,000. If the Nominees
are elected,  the  Soliciting Group  will  ask the  Board  to have  the  Company
reimburse  it  for costs  and expenses  incurred in  connection with  this proxy
solicitation.  The  Soliciting  Group  does  not  intend  to  request  that  its
reimbursement request be submitted to a vote of stockholders.
    
 
                                       22
 
<PAGE>
<PAGE>
                   REVOCABILITY OF SIGNED AGENT DESIGNATIONS
 
     You  may  revoke  your  Agent  Designation at  any  time  by  executing and
delivering a written revocation to Wyser-Pratte at 63 Wall Street, New York, New
York 10005 or the Company, at 5005 LBJ Freeway, Dallas, Texas 75244 (please send
a copy  of any  revocation sent  to the  Company to  Wyser-Pratte, so  that  the
Soliciting  Group is  aware of the  revocation). Such a  revocation must clearly
state that your Agent Designation is  no longer effective. An Agent  Designation
may also be revoked by notice given to the Company in a meeting of the Company's
stockholders.  Any revocation of an Agent Designation will not effect any action
taken by the Designated Agents pursuant  to the Agent Designation prior to  such
revocation.
 
                                          GUY P. WYSER-PRATTE
                                          SPEAR, LEEDS & KELLOGG
 
IF  YOUR SHARES  OF REXENE CORPORATION  COMMON STOCK ARE  HELD IN THE  NAME OF A
BROKERAGE FIRM, BANK,  BANK NOMINEE OR  OTHER INSTITUTION, ONLY  IT CAN SIGN  AN
AGENT DESIGNATION WITH RESPECT TO YOUR COMMON STOCK. ACCORDINGLY, PLEASE CONTACT
THE  PERSON  RESPONSIBLE FOR  YOUR ACCOUNT  AND GIVE  INSTRUCTIONS FOR  AN AGENT
DESIGNATION TO BE SIGNED REPRESENTING YOUR SHARES OF COMMON STOCK.
 
IF YOU  HAVE  ANY QUESTIONS  ABOUT  GIVING  YOUR AGENT  DESIGNATION  OR  REQUIRE
ASSISTANCE, PLEASE CONTACT MACKENZIE PARTNERS, INC. TOLL-FREE AT (800) 322-2885,
OR ERIC LONGMIRE, SENIOR MANAGING DIRECTOR OF WPC AT (212) 495-5357.
 
                                       23
 
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                                                                       EXHIBIT A
 
                          COMMON STOCK PURCHASE RIGHTS
 
     On  January 26, 1993, the  Board of Directors of  the Registrant declared a
dividend of one  common stock purchase  right (a 'Right')  for each  outstanding
share  of common stock,  par value $.01  per share (the  'Common Stock'), of the
Company. The dividend is payable on February 8, 1993 (the 'Record Date') to  the
stockholders  of record of the Common Stock on that date. When the Rights become
exercisable, each Right will entitle the registered holder to purchase from  the
Registrant  one share of Common Stock at a price of $25 per share (the 'Purchase
Price'), subject to adjustment. The description and terms of the Rights are  set
forth  in a Rights Agreement (the 'Rights Agreement') between the Registrant and
American Stock Transfer & Trust Company, as Rights Agent (the 'Rights Agent').
 
     Until the earlier to occur  of the Close of Business  on (i) the tenth  day
after  the date a person (an 'Acquiring Person') (other than the Registrant, any
subsidiary of the Registrant, or any employee benefit plan of the Registrant  or
any  subsidiary  of  the  Registrant)  alone  or  together  with  affiliates and
associates, has become the beneficial owner  of 15% (or such lower threshold  as
may  be established by the Board of Directors) or more of the outstanding shares
of Common Stock or  (ii) the tenth  business day after the  date (or such  later
date as may be determined by action of the Board of Directors prior to such time
as  any  person  becomes  an  Acquiring  Person)  of  the  commencement  of,  or
announcement of  an intention  to make,  a tender  offer or  exchange offer  the
consummation  of which would result  in the beneficial ownership  by a person or
group (other  than the  Registrant, any  subsidiary of  the Registrant,  or  any
employee  benefit plan of the Registrant or any subsidiary of the Registrant) of
15% (or such lower threshold as may be established by the Board of Directors) or
more of such  outstanding shares of  Common Stock  (the earlier of  (i) or  (ii)
being  called  the  'Distribution Date'),  the  Rights will  be  evidenced, with
respect to any  of the Common  Stock certificates outstanding  as of the  Record
Date,  by such Common  Stock certificate with  a copy of  this Summary of Rights
attached thereto.
 
     The Rights Agreement provides that, until the Distribution Date, the Rights
will be transferred with and only with the Common Stock. Until the  Distribution
Date  (or earlier  termination or  expiration of  the Rights),  new Common Stock
certificates issued after  the Record  Date, upon  transfer or  new issuance  of
shares  of  Common  Stock,  will contain  a  notation  incorporating  the Rights
Agreement by reference. Until the  Distribution Date (or earlier termination  or
expiration  of the Rights),  the surrender for transfer  of any certificates for
shares of Common  Stock, outstanding as  of the Record  Date, even without  such
notation  or a copy of this Summary  of Rights being attached thereto, will also
constitute the transfer of the Rights associated with the shares of Common Stock
represented  by  such  certificate.  As   soon  as  practicable  following   the
Distribution   Date,  separate   certificates  evidencing   the  Rights  ('Right
Certificate') will be mailed to holders of record of the shares of Common  Stock
as  of the close  of business on  the Distribution Date  and such separate Right
Certificates alone will evidence the Rights.  Each share of Common Stock  issued
after  the Distribution  Date and  prior to  the earlier  of the  termination or
expiration of the Rights pursuant to  exercise of any option, warrant, right  or
conversion  privilege  contained in  any option,  warrant, right  or convertible
security issued by the Registrant prior to the Distribution Date (other than the
Rights) shall also include  the right to  receive a Right  (unless the Board  of
Directors  provides to the contrary at the  time of issuance of any such option,
warrant, right or convertible security)  and Right Certificates evidencing  such
Rights shall be issued at the time of issuance of such shares of Common Stock.
 
     The Rights are not exercisable until the Distribution Date. The Rights will
expire  on  February 8,  2003 (the  'Final Expiration  Date'), unless  the Final
Expiration Date is extended or unless  the Rights are earlier terminated by  the
Registrant, in each case, as described below.
 
     The  Purchase Price payable,  and the number  of shares of  Common stock or
other securities or property issuable, upon  exercise of the Rights are  subject
to  adjustment from time to time to prevent dilution (i) in the event of a stock
dividend on, or a  subdivision, combination or  reclassification of, the  Common
Stock,  (ii) upon the grant to holders of  the shares of Common Stock of certain
rights or warrants  to subscribe for  or purchase  shares of Common  Stock at  a
price,  or securities convertible into shares  of Common Stock with a conversion
price,   less   than   the   then   current   market   price   of   the   shares
 
<PAGE>
<PAGE>
of  Common Stock  or (iii)  upon the  distribution of  holders of  the shares of
Common Stock  of  evidences  of  indebtedness or  assets  (excluding  a  regular
quarterly  cash dividend or a dividend payable  in shares of Common Stock) or of
subscription rights or warrants (other than those referred to above).
 
     The number of outstanding Rights and  the number of shares of Common  Stock
issuable upon exercise of each Right are also subject to adjustment in the event
of  a stock split  of the Common Stock  or a stock dividend  on the Common Stock
payable  in  shares   of  Common  Stock   or  subdivisions,  consolidations   or
combinations  of the  Common Stock  occurring, in  any such  case, prior  to the
Distribution Date.
 
     In the event that on or after the first date of public announcement by  the
Registrant  or an Acquiring Person that an Acquiring Person has become such (the
'Shares Acquisition Date') the Company is acquired in a merger or other business
combination transaction or  50% or more  of its consolidated  assets or  earning
power are sold (in one transaction or a series of transactions other than in the
ordinary  course of business), proper provision will be made so that each holder
of a Right will thereafter have the right to receive, upon the exercise  thereof
at the then current Purchase Price of the Right, that number of common shares of
the  acquiring company which at the time  of such transaction will have a market
value of two times the  Purchase Price. In the  event that any person,  together
with its affiliates and associates, becomes the beneficial owner of 15% (or such
lower  threshold as may be established by the Board of Directors) or more of the
shares of Common Stock then outstanding, proper provision shall be made so  that
each  holder of a Right,  other than Rights beneficially  owned by the Acquiring
Person (which  will thereafter  be  void), will  thereafter  have the  right  to
receive  upon exercise that number  of shares of Common  Stock of the Registrant
having a market value  of two times the  Purchase Price. Under no  circumstances
may  a Right be exercised following the occurrence  of an event set forth in the
preceding sentence  prior  to  the  expiration  of  the  Registrant's  right  of
termination.
 
     At  any time after any person becomes  an Acquiring Person and prior to the
acquisition by  such person,  together with  its affiliates  and associates,  of
beneficial  ownership of 50% or more of  the outstanding shares of Common Stock,
the Board of  Directors of the  Registrant may exchange  the Rights (other  than
Rights  owned by such person which have become void), in whole or in part, at an
exchange ratio of one share of Common Stock (or of a share of a class or  series
of  the Registrant's preferred  stock having equivalent  rights, preferences and
privileges), per Right (subject to adjustment).
 
     With certain  exceptions,  no adjustment  in  the Purchase  Price  will  be
required  until cumulative adjustments  require an adjustment of  at least 1% in
such Purchase Price. No fractional shares of Common Stock will be issued and  in
lieu  thereof, an adjustment in  cash will be made based  on the market price of
the shares  of Common  Stock  on the  last  trading day  prior  to the  date  of
exercise.
 
     At  any time  prior to  the earlier to  occur of  (i) the  acquisition by a
person, together with its affiliates and associates, of beneficial ownership  of
15% (or such lower threshold as may be established by the Board of Directors) or
more  of the  outstanding shares  of Common Stock  or (ii)  the Final Expiration
Date, the  Board of  Directors of  the Registrant  may terminate  the Rights  in
whole,  but not in part, at  no cost. The termination of  the Rights may be made
effective at such time on  such basis and with such  conditions as the Board  of
Directors in its sole discretion may establish. Immediately upon any termination
of  the  Rights, all  rights  relating to  the  Rights, including  the  right to
exercise the Rights, will terminate.
 
     The terms of the Rights may be  amended by the Board in any manner  without
the  consent of the holders of the Rights,  except that from and after such time
as any  person becomes  an Acquiring  Person, no  such amendment  may  adversely
affect  the interest  of the holders  of the Rights  or may be  made without the
consent of  the  holders of  a  majority of  the  Rights (other  than  Acquiring
Persons.)
 
     Until  a Right  is exercised,  the holder  thereof, as  such, will  have no
rights as a stockholder  of the Registrant,  including, without limitation,  the
right  to vote (other  than with respect  to the amendment  of Rights in certain
circumstances) or to receive dividends.
 
     As of January 28,  1993, there were (i)  10,496,164 shares of Common  Stock
issued  and outstanding, (ii) 770  shares of Common Stock  held in treasury, and
(iii) 359,261  shares of  Common Stock  reserved for  issuance pursuant  to  the
Registrant's  1988  Stock Incentive  Plan,  the Registrant's  Nonqualified Stock
Option Plan for Outside Directors, stock options granted to a key employee,  and
the 1992 corporate
 
                                      A-2
 
<PAGE>
<PAGE>
reorganization  of the Registrant under its First Amended Plan of Reorganization
under Chapter  11  of the  United  States Bankruptcy  Code.  One Right  will  be
distributed  to stockholders  of the Registrant  for each share  of Common Stock
owned of record  by them  on February  8, 1993. One  Right will  be issued  with
respect  of each share of Common Stock that shall become outstanding between the
Record Date and the earliest of  the Distribution Date, the date of  termination
of the Rights and the Final Expiration Date. The Registrant's Board of Directors
has  reserved  for issuance  upon exercise  of the  Rights 11,000,000  shares of
Common Stock. Prior to the Distribution  Date, when additional shares of  Common
Stock  are issued,  Rights will be  issued simultaneously therewith  and, to the
extent necessary, shares  of Common  Stock will  be reserved  for issuance  upon
exercise of such Rights.
 
     The  Rights  have certain  anti-takeover  effects. The  Rights  could cause
substantial dilution  to  a  person  or  group  that  attempts  to  acquire  the
Registrant in a manner or on terms not approved by the Board of Directors of the
Registrant.  The  Rights,  however,  should not  deter  any  prospective offeror
willing to negotiate in good faith with  the Board of Directors. Nor should  the
Rights  interfere with any merger or  business combination approved by the Board
prior to an Acquiring Person's acquiring 25% or more of the Registrant's  Common
Stock.
 
     A  copy of the Rights Agreement between the Registrant and the Rights Agent
specifying the terms of  the Rights is attached  as an Exhibit and  incorporated
herein by reference. The foregoing description of the Rights does not purport to
be  complete  and  is qualified  in  its  entirety by  reference  to  the Rights
Agreement.
 
     Amendments to the Rights Agreement.
 
     On August  29, 1994,  the Company  and  the Rights  Agent entered  into  an
amendment  ('Amendment No. 1')  to the Rights Agreement.  Amendment No. 1 amends
the Rights Agreement to increase the initial Purchase Price (as defined therein)
of the Common Stock subject to the Rights from $25 to $60 per share.
 
     On July  22,  1996,  the Company  and  the  Rights Agent  entered  into  an
amendment  ('Amendment No. 2')  to the Rights Agreement.  Amendment No. 2 amends
the Rights Agreement as follows:
 
          (1) to amend the definition of  'Acquiring Person' to provide that  if
     the  Board of Directors  (consisting of a  majority of Continuing Directors
     (as defined therein))  of the Company,  within 10 business  days after  the
     first date on which the Company became aware that any person, together with
     its  affiliates and associates, is the beneficial owner of shares of Common
     Stock of the  Company, would  be an  Acquiring Person,  determines in  good
     faith  that such person has inadvertently  exceeded the threshold set forth
     in the definition of Acquiring Person, and such person divests as  promptly
     as practicable a sufficient number of shares of Common Stock of the Company
     so  that such  person would  no longer  be an  Acquiring Person,  then such
     person shall not be deemed an Acquiring Person;
 
          (2) to add a definition of 'Continuing Directors';
 
          (3) to add a legend to the certificates representing shares of  Common
     Stock of the Company issued after July 22, 1996 to indicate that such stock
     certificate  entitle the holders thereof to  certain rights as set forth in
     the Rights Agreement, as amended;
 
          (4) to  provide that  a majority  of  the Board  of Directors  of  the
     Company  may, at its  option, at any time  prior to the  earlier of (i) the
     tenth day (or such later date as may be approved by the Board of  Directors
     of  the Company) following the date a person becomes an Acquiring Person or
     (ii) the  Final Expiration  Date  (as defined  therein), either  redeem  or
     terminate the Rights; and
 
          (5)  to  amend the  amendment provisions  to  provide that  the Rights
     Agreement may be amended after a person becomes an Acquiring Person only if
     at the  time  of  the action  of  the  Board of  Directors  approving  such
     amendment there are then in office not less than three Continuing Directors
     and  such amendment is  approved by a majority  of the Continuing Directors
     then in office.
 
                                      A-3
<PAGE>
<PAGE>
                                                                       EXHIBIT B
 
     203 BUSINESS COMBINATIONS WITH INTERESTED STOCKHOLDERS. (a) Notwithstanding
any  other provisions  of this  chapter, a corporation  shall not  engage in any
business combination with  any interested stockholder  for a period  of 3  years
following  the  time that  such  stockholder became  an  interested stockholder,
unless:
 
          (1) prior  to such  time the  board of  directors of  the  corporation
     approved  either the business combination or the transaction which resulted
     in the stockholder becoming an interested stockholder, or
 
          (2) upon  consummation  of  the  transaction  which  resulted  in  the
     stockholder  becoming an interested stockholder, the interested stockholder
     owned at least 85%  of the voting stock  of the corporation outstanding  at
     the  time the transaction commenced,  excluding for purposes of determining
     the number of shares outstanding those shares owned (i) by persons who  are
     directors and also officers and (ii) employee stock plans in which employee
     participants  do  not have  the right  to determine  confidentially whether
     shares held subject to the  plan will be tendered  in a tender or  exchange
     offer, or
 
          (3) At or subsequent to such time the business combination is approved
     by the board of directors and authorized at an annual or special meeting of
     stockholders,  and not  by written consent,  by the affirmative  vote of at
     least 66 2/3% of  the outstanding voting  stock which is  not owned by  the
     interested stockholder.
 
     (b) The restrictions contained in this section shall not apply if:
 
          (1) the corporation's original certificate of incorporation contains a
     provision expressly electing not to be governed by this section;
 
          (2)  the corporation, by  action of its board  of directors, adopts an
     amendment to  its bylaws  within 90  days  of the  effective date  of  this
     section,  expressly  electing not  to be  governed  by this  section, which
     amendment shall not be further amended by the board of directors.
 
          (3)  the  corporation,  by  action  of  its  stockholders,  adopts  an
     amendment  to its certificate of incorporation or bylaws expressly electing
     not to be governed by this section, provided that, in addition to any other
     vote required by law, such amendment to the certificate of incorporation or
     bylaws must be approved by the affirmative vote of a majority of the shares
     entitled to vote. An amendment adopted pursuant to this paragraph shall  be
     effective  immediately in the case of a corporation that both (i) has never
     had a class of voting stock that  falls within any of the three  categories
     set  out  in  subsection (b)(4)  hereof,  and  (ii) has  not  elected  by a
     provision in its  original certificate  of incorporation  or any  amendment
     thereto  to be governed by  this section. In all  other cases, an amendment
     adopted pursuant to this paragraph shall  not be effective until 12  months
     after  the adoption of such  amendment and shall not  apply to any business
     combination  between  such  corporation  and  any  person  who  became   an
     interested  stockholder of such corporation on or prior to such adoption. A
     bylaw amendment adopted  pursuant to  this paragraph shall  not be  further
     amended by the board of directors;
 
          (4)  the corporation does not have a class of voting stock that is (i)
     listed on a national securities exchange, (ii) authorized for quotation  on
     The  NASDAQ  Stock  Market or  (iii)  held  of record  by  more  than 2,000
     stockholders, unless  any  of  the foregoing  results  from  action  taken,
     directly  or indirectly, by an interested stockholder or from a transaction
     in which a person becomes an interested stockholder;
 
          (5) a stockholder becomes an interested stockholder inadvertently  and
     (i) as soon as practicable divests itself of ownership of sufficient shares
     so  that the  stockholder ceases to  be an interested  stockholder and (ii)
     would not, at  any time within  the 3  year period immediately  prior to  a
     business  combination between  the corporation  and such  stockholder, have
     been an  interested  stockholder but  for  the inadvertent  acquisition  of
     ownership;
 
<PAGE>
<PAGE>
          (6)  the business combination is proposed prior to the consummation or
     abandonment of and subsequent to the earlier of the public announcement  or
     the   notice  required  hereunder  of  a  proposed  transaction  which  (i)
     constitutes one of  the transactions  described in the  second sentence  of
     this  paragraph;  (ii)  is  with or  by  a  person who  either  was  not an
     interested stockholder  during  the  previous  3 years  or  who  became  an
     interested  stockholder  with the  approval of  the corporation's  board of
     directors  or  during  the  period  described  in  paragraph  (7)  of  this
     subsection  (b); and (iii) is approved or  not opposed by a majority of the
     members of the board of directors then in office (but not less than 1)  who
     were  directors  prior to  any  person becoming  an  interested stockholder
     during the previous 3 years or were recommended for election or elected  to
     succeed  such  directors  by a  majority  of such  directors.  The proposed
     transactions referred to  in the preceding  sentence are limited  to (x)  a
     merger  or consolidation of the corporation (except for a merger in respect
     of which,  pursuant  to section  251(f)  of the  chapter,  no vote  of  the
     stockholders  of the corporation is required); (y) a sale, lease, exchange,
     mortgage, pledge, transfer or  other disposition (in  one transaction or  a
     series  of transactions), whether as part of a dissolution or otherwise, of
     assets of  the corporation  or  of any  direct or  indirect  majority-owned
     subsidiary  of  the  corporation  (other than  to  any  direct  or indirect
     wholly-owned subsidiary or to the  corporation) having an aggregate  market
     value  equal to 50% or more of either that aggregate market value of all of
     the assets of  the corporation determined  on a consolidated  basis or  the
     aggregate  market value of all the outstanding stock of the corporation; or
     (z) a proposed tender or exchange offer for 50% or more of the  outstanding
     voting  stock of the corporation. The  corporation shall give not less than
     20 days notice to all interested stockholders prior to the consummation  of
     any  of the  transactions described  in clauses  (x) or  (y) of  the second
     sentence of this paragraph; or
 
          (7) The business  combination is  with an  interested stockholder  who
     became  an interested stockholder at a time when the restrictions contained
     in this section did not apply by  reason of any paragraphs (1) through  (4)
     of  this subsection (b),  provided, however, that  this paragraph (7) shall
     not apply if, at the time such interested stockholder became an  interested
     stockholder,  the  corporation's certificate  of incorporation  contained a
     provision authorized by the last sentence of this subsection (b).
 
     Notwithstanding paragraphs  (1), (2),  (3) and  (4) of  this subsection,  a
corporation   may  elect  by   a  provision  of   its  original  certificate  of
incorporation or any amendment thereto to be governed by this section;  provided
that  any such amendment to the certificate  of incorporation shall not apply to
restrict a  business  combination  between the  corporation  and  an  interested
stockholder  of the corporation if the  interested stockholder became such prior
to the effective date of the amendment.
 
     (c) As used in this section only, the term:
 
          (1) 'affiliate' means  a person that  directly, or indirectly  through
     one  or more  intermediaries, controls,  or is  controlled by,  or is under
     common control with, another person.
 
          (2) 'associate,' when used to indicate a relationship with any person,
     means (i) any corporation, partnership, unincorporated association or other
     entity of  which such  person is  a  director, officer  or partner  or  is,
     directly  or indirectly, the  owner of 20%  or more of  any class of voting
     stock, (ii) any trust or other estate  in which such person has at least  a
     20%  beneficial interest or as to which such person serves as trustee or in
     a similar fiduciary  capacity, and  (iii) any  relative or  spouse of  such
     person,  or any relative of such spouse, who has the same residence as such
     person.
 
          (3) 'business combination,' when used in reference to any  corporation
     and any interested stockholder of such corporation, means:
 
             (i) any merger or consolidation of the corporation or any direct or
        indirect  majority-owned  subsidiary  of the  corporation  with  (A) the
        interested stockholder, or (B) with any other corporation,  partnership,
        unincorporated   association   or  other   entity   if  the   merger  or
        consolidation is caused by the interested stockholder and as a result of
        such merger  or consolidation  subsection  (a) of  this section  is  not
        applicable to the surviving entity;
 
             (ii) any sale, lease, exchange, mortgage, pledge, transfer or other
        disposition  (in one  transaction or  a series  of transactions), except
        proportionately as a stockholder of such
 
                                      B-2
 
<PAGE>
<PAGE>
        corporation, to or with the interested stockholder, whether as part of a
        dissolution or otherwise, of assets of the corporation or of any  direct
        or  indirect majority-owned  subsidiary of the  corporation which assets
        have an  aggregate market  value equal  to  10% or  more of  either  the
        aggregate  market value of all the  assets of the corporation determined
        on a  consolidated  basis or  the  aggregate  market value  of  all  the
        outstanding stock of the corporation;
 
             (iii)  any transaction which results in the issuance or transfer by
        the corporation or by any  direct or indirect majority-owned  subsidiary
        of  the corporation of any  stock of the corporation  or of any stock of
        the corporation or  of such  subsidiary to  the interested  stockholder,
        except   (A)  pursuant  to  the  exercise,  exchange  or  conversion  of
        securities exercisable for, exchangeable  for or convertible into  stock
        of  such  corporation  or  any  such  subsidiary  which  securities were
        outstanding prior to  the time  that the  interested stockholder  became
        such,  (B) pursuant to a merger under  Section 251(g) of this title; (C)
        pursuant to a dividend  or distribution paid or  made, or the  exercise,
        exchange  or conversion of securities  exercisable for, exchangeable for
        or convertible into  stock of  such corporation or  any such  subsidiary
        which  security is distributed,  pro rata to  all holders of  a class or
        series  of  stock  of  such  corporation  subsequent  to  the  time  the
        interested stockholder became such, (D) pursuant to an exchange offer by
        the  corporation to purchase stock made on the same terms to all holders
        of said  stock,  or  (E)  any  issuance or  transfer  of  stock  by  the
        corporation, provided however, that in no case under (C)-(E) above shall
        there be an increase in the interested stockholder's proportionate share
        of  the stock of any class or series of the corporation or of the voting
        stock of the corporation;
 
             (iv) any transaction  involving the  corporation or  any direct  or
        indirect  majority-owned  subsidiary of  the  corporation which  has the
        effect, directly or indirectly, of increasing the proportionate share of
        the stock of  any class or  series, or securities  convertible into  the
        stock  of  any  class or  series,  of  the corporation  or  of  any such
        subsidiary which is  owned by  the interested stockholder,  except as  a
        result of immaterial changes due to fractional share adjustments or as a
        result  of any purchase or redemption of any shares of stock not caused,
        directly or indirectly, by the interested stockholder; or
 
             (v) any  receipt  by the  interested  stockholder of  the  benefit,
        directly  or indirectly (except proportionately as a stockholder of such
        corporation) of  any  loans,  advances, guarantees,  pledges,  or  other
        financial   benefits   (other   than   those   expressly   permitted  in
        subparagraphs (i)-(iv) above) provided by or through the corporation  or
        any direct or indirect majority owned subsidiary.
 
          (4)  'control,' including the term  'controlling,' 'controlled by' and
     'under common control with,' means the possession, directly or  indirectly,
     of  the  power to  direct  or cause  the  direction of  the  management and
     policies of a  person, whether through  the ownership of  voting stock,  by
     contract,  or otherwise. A  person who is the  owner of 20%  or more of the
     outstanding voting stock  of any  corporation, partnership,  unincorporated
     association  or  other entity  shall be  presumed to  have control  of such
     entity, in the absence of proof by  a preponderance of the evidence to  the
     contrary. Notwithstanding the foregoing, a presumption of control shall not
     apply  where such person holds voting stock,  in good faith and not for the
     purpose of circumventing this section, as an agent, bank, broker,  nominee,
     custodian or trustee for one or more owners who do not individually or as a
     group have control of such entity.
 
          (5)   'interested  stockholder'  means  any  person  (other  than  the
     corporation and any  direct or  indirect majority-owned  subsidiary of  the
     corporation) that (i) is the owner of 15% or more of the outstanding voting
     stock  of the  corporation, or  (ii) is  an affiliate  or associate  of the
     corporation and was  the owner  of 15% or  more of  the outstanding  voting
     stock  of the corporation at any  time within the 3-year period immediately
     prior to the  date on  which it  is sought  to be  determined whether  such
     person  is an interested stockholder; and  the affiliates and associates of
     such person;  provided, however,  that  the term  'interested  stockholder'
     shall  not include (x) any person who (A) owned shares in excess of the 15%
     limitation set forth herein  as of, or acquired  such shares pursuant to  a
     tender  offer  commenced prior  to, December  23, 1987,  or pursuant  to an
     exchange offer announced prior to  the aforesaid date and commenced  within
     90 days thereafter and either (I) continued to own shares in excess of such
     15%    limitation    or    would    have   but    for    action    by   the
 
                                      B-3
 
<PAGE>
<PAGE>
     corporation or (II) is an affiliate or associate of the corporation and  so
     continued (or so would have continued but for action by the corporation) to
     be  the  owner  of 15%  or  more of  the  outstanding voting  stock  of the
     corporation at any time within the  3-year period immediately prior to  the
     date  on which it  is sought to be  determined whether such  a person is an
     interested stockholder or (B) acquired said shares from a person  described
     in  (A)  above  by  gift,  inheritance or  in  a  transaction  in  which no
     consideration was exchanged; or (y) any person whose ownership of shares in
     excess of the 15% limitation set forth herein in the result of action taken
     solely by the corporation provided that such person shall be an  interested
     stockholder  if thereafter such person acquires additional shares of voting
     stock of the corporation,  except as a result  of further corporate  action
     not  caused, directly  or indirectly,  by such  person. For  the purpose of
     determining whether a person is an interested stockholder, the voting stock
     of the corporation deemed to be  outstanding shall include stock deemed  to
     be  owned  by  the person  through  application  of paragraph  (8)  of this
     subsection  but  shall  not  include  any  other  unissued  stock  of  such
     corporation which may be issuable pursuant to any agreement, arrangement or
     understanding,  or upon exercise of conversion rights, warrants or options,
     or otherwise.
 
          (6)  'person'   means   any  individual,   corporation,   partnership,
     unincorporated association or other entity.
 
          (7) 'Stock' means, with respect to any corporation, capital stock and,
     with respect to any other entity, any equity interest.
 
          (8)  'Voting stock' means,  with respect to  any corporation, stock of
     any class or series entitled to vote generally in the election of directors
     and, with  respect to  any entity  that is  not a  corporation, any  equity
     interest  entitled to vote generally in  the election of the governing body
     of such entity.
 
          (9) 'owner'  including the  terms  'own' and  'owned' when  used  with
     respect  to any stock means  a person that individually  or with or through
     any of its affiliates or associates:
 
             (i) beneficially owns such stock, directly or indirectly; or
 
             (ii) has (A) the right to acquire such stock (whether such right is
        exercisable immediately or only after  the passage of time) pursuant  to
        any  agreement, arrangement  or understanding,  or upon  the exercise of
        conversion rights, exchange rights,  warrants or options, or  otherwise;
        provided,  however, that a person shall not be deemed the owner of stock
        tendered pursuant to a tender or  exchange offer made by such person  or
        any  of such person's affiliates or associates until such tendered stock
        is accepted for  purchase or  exchange; or (B)  the right  to vote  such
        stock pursuant to any agreement, arrangement or understanding; provided,
        however,  that  a person  shall not  be  deemed the  owner of  any stock
        because of such  person's right  to vote  such stock  if the  agreement,
        arrangement  or understanding  to vote such  stock arises  solely from a
        revocable proxy  or consent  given in  response to  a proxy  or  consent
        solicitation made to 10 or more persons; or
 
             (iii)  has  any  agreement, arrangement  or  understanding  for the
        purpose of  acquiring,  holding, voting  (except  voting pursuant  to  a
        revocable  proxy or consent as  described in item (B)  of clause (ii) of
        this paragraph), or disposing of such  stock with any other person  that
        beneficially  owns, or whose affiliates  or associates beneficially own,
        directly or indirectly, such stock.
 
             (d) No provision of a  certificate of incorporation or bylaw  shall
        require, for any vote of stockholders required by this section a greater
        vote of stockholders than that specified in this section.
 
             (e)   The  Court  of  Chancery  is  hereby  vested  with  exclusive
        jurisdiction to  hear and  determine all  matters with  respect to  this
        section.
 
                                      B-4
<PAGE>
<PAGE>


                                  Appendix 1

   
                               REXENE CORPORATION
     

   THIS AGENT DESIGNATION TO CALL A SPECIAL MEETING OF STOCKHOLDERS OF REXENE
CORPORATION (THE 'COMPANY') IS SOLICITED BY GUY P. WYSER-PRATTE, WYSER-PRATTE &
                                 CO., INC. AND
                SPEAR, LEEDS & KELLOGG (THE 'SOLICITING GROUP').
 
    Each  of the  undersigned hereby constitutes  and appoints  Daniel H. Burch,
Stanley J. Kay, Jr., and Mark H. Harnett,  and each of them, with full power  of
substitution,  the proxies and  agents of each of  the undersigned (said proxies
and agents, together  with each  substitute appointed by  any of  them, if  any,
collectively, the 'Designated Agents') in respect of all shares of Common Stock,
par  value $.01  per share  (the 'Common  Stock'), of  the Company  owned by the
undersigned to do any or all of the following, to which each of the  undersigned
hereby consents:
 
    1. To take all such action as shall be necessary or appropriate to call (BUT
NOT  TO  VOTE AT)  a special  meeting of  the stockholders  of the  Company (the
'Special Meeting') for the purpose of  considering and voting upon the  'By-laws
Proposals'   and  'Director   Replacement  Proposals,'   as  described   in  the
Solicitation Statement of the Soliciting Group.
 
    2. To give  or cause  to be given,  to the  Company's stockholders  entitled
thereto,  notice of the Special Meeting to be held  on a date and at a place and
time to be determined by the Designated Agents.
 
                                        (Agent Designation Continued On Reverse)
 
<PAGE>
<PAGE>
(continued)
 
    3. To exercise any and  all of the other rights  of each of the  undersigned
incidental to (i) calling and convening the Special Meeting and (ii) causing the
purposes of the authority expressly granted hereinabove to the Designated Agents
to  be carried  into effect; provided,  however, that NOTHING  CONTAINED IN THIS
INSTRUMENT SHALL BE CONSTRUED TO GRANT TO THE DESIGNATED AGENTS THE RIGHT, POWER
OR AUTHORITY TO VOTE ANY SHARES OWNED BY THE UNDERSIGNED AT THE SPECIAL MEETING.

   
                                                 Date ____________________, 1997
                                                 Signature _____________________
                                                 Title _________________________
                                                 Signature, if Held Jointly ____

    
                                                 Please  sign  exactly  as  name
                                                 appears hereon. When shares are
                                                 held  by  joint  tenants,  both
                                                 should sign. When signing as an
                                                 attorney, executor,
                                                 administrator, trustee or
                                                 guardian, give  full  title  as
                                                 such. If a corporation, sign in
                                                 full corporate name by
                                                 President  or  other authorized
                                                 officer. If a partnership, sign
                                                 in partnership name by
                                                 authorized person.
 
         PLEASE SIGN, DATE AND MAIL PROMPTLY IN THE ENCLOSED ENVELOPE.





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